Home / 65,344.14-90,160.98-38,476.83

Finding the Fourth Proportional to 65,344.14, 90,160.98 and 38,476.83

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Solution

The fourth proportional to 65,344.14, 90,160.98 and 38,476.83 is: 53,089.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,344.14 : 90,160.98 = 38,476.83 : x
  2. Step 2: Convert to fraction form
    65,344.14/90,160.98 = 38,476.83/x
  3. Step 3: Cross multiply
    65,344.14x = 90,160.98 × 38,476.83
  4. Step 4: Simplify right side
    65,344.14x = 3,469,108,700.09
  5. Step 5: Solve for x
    x = 3,469,108,700.09/65,344.14
  6. Step 6: Final answer
    x = 53,089.82

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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.