Home / 66,160.17-91,280.94-37,475.28

Finding the Fourth Proportional to 66,160.17, 91,280.94 and 37,475.28

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Solution

The fourth proportional to 66,160.17, 91,280.94 and 37,475.28 is: 51,704.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,160.17 : 91,280.94 = 37,475.28 : x
  2. Step 2: Convert to fraction form
    66,160.17/91,280.94 = 37,475.28/x
  3. Step 3: Cross multiply
    66,160.17x = 91,280.94 × 37,475.28
  4. Step 4: Simplify right side
    66,160.17x = 3,420,778,785.16
  5. Step 5: Solve for x
    x = 3,420,778,785.16/66,160.17
  6. Step 6: Final answer
    x = 51,704.50

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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.