Home / 68,220.47-94,151.17-38,010.71

Finding the Fourth Proportional to 68,220.47, 94,151.17 and 38,010.71

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Solution

The fourth proportional to 68,220.47, 94,151.17 and 38,010.71 is: 52,458.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,220.47 : 94,151.17 = 38,010.71 : x
  2. Step 2: Convert to fraction form
    68,220.47/94,151.17 = 38,010.71/x
  3. Step 3: Cross multiply
    68,220.47x = 94,151.17 × 38,010.71
  4. Step 4: Simplify right side
    68,220.47x = 3,578,752,348.27
  5. Step 5: Solve for x
    x = 3,578,752,348.27/68,220.47
  6. Step 6: Final answer
    x = 52,458.63

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.