Home / 60,929.12-91,420.92-38,736.56

Finding the Fourth Proportional to 60,929.12, 91,420.92 and 38,736.56

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Solution

The fourth proportional to 60,929.12, 91,420.92 and 38,736.56 is: 58,122.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,929.12 : 91,420.92 = 38,736.56 : x
  2. Step 2: Convert to fraction form
    60,929.12/91,420.92 = 38,736.56/x
  3. Step 3: Cross multiply
    60,929.12x = 91,420.92 × 38,736.56
  4. Step 4: Simplify right side
    60,929.12x = 3,541,331,952.84
  5. Step 5: Solve for x
    x = 3,541,331,952.84/60,929.12
  6. Step 6: Final answer
    x = 58,122.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.