Home / 66,156.43-91,275.76-37,471.53

Finding the Fourth Proportional to 66,156.43, 91,275.76 and 37,471.53

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Solution

The fourth proportional to 66,156.43, 91,275.76 and 37,471.53 is: 51,699.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,156.43 : 91,275.76 = 37,471.53 : x
  2. Step 2: Convert to fraction form
    66,156.43/91,275.76 = 37,471.53/x
  3. Step 3: Cross multiply
    66,156.43x = 91,275.76 × 37,471.53
  4. Step 4: Simplify right side
    66,156.43x = 3,420,242,300.75
  5. Step 5: Solve for x
    x = 3,420,242,300.75/66,156.43
  6. Step 6: Final answer
    x = 51,699.32

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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.