Home / 65,732.16-90,754.17-38,883.29

Finding the Fourth Proportional to 65,732.16, 90,754.17 and 38,883.29

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Solution

The fourth proportional to 65,732.16, 90,754.17 and 38,883.29 is: 53,684.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,732.16 : 90,754.17 = 38,883.29 : x
  2. Step 2: Convert to fraction form
    65,732.16/90,754.17 = 38,883.29/x
  3. Step 3: Cross multiply
    65,732.16x = 90,754.17 × 38,883.29
  4. Step 4: Simplify right side
    65,732.16x = 3,528,820,710.82
  5. Step 5: Solve for x
    x = 3,528,820,710.82/65,732.16
  6. Step 6: Final answer
    x = 53,684.84

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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.