Home / 68,364.91-94,343.79-38,151.51

Finding the Fourth Proportional to 68,364.91, 94,343.79 and 38,151.51

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Solution

The fourth proportional to 68,364.91, 94,343.79 and 38,151.51 is: 52,649.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,364.91 : 94,343.79 = 38,151.51 : x
  2. Step 2: Convert to fraction form
    68,364.91/94,343.79 = 38,151.51/x
  3. Step 3: Cross multiply
    68,364.91x = 94,343.79 × 38,151.51
  4. Step 4: Simplify right side
    68,364.91x = 3,599,358,047.62
  5. Step 5: Solve for x
    x = 3,599,358,047.62/68,364.91
  6. Step 6: Final answer
    x = 52,649.20

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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.