Home / 68,220.18-94,150.74-38,010.42

Finding the Fourth Proportional to 68,220.18, 94,150.74 and 38,010.42

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Solution

The fourth proportional to 68,220.18, 94,150.74 and 38,010.42 is: 52,458.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,220.18 : 94,150.74 = 38,010.42 : x
  2. Step 2: Convert to fraction form
    68,220.18/94,150.74 = 38,010.42/x
  3. Step 3: Cross multiply
    68,220.18x = 94,150.74 × 38,010.42
  4. Step 4: Simplify right side
    68,220.18x = 3,578,709,170.71
  5. Step 5: Solve for x
    x = 3,578,709,170.71/68,220.18
  6. Step 6: Final answer
    x = 52,458.22

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Half 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.