Home / 65,700.17-90,666.32-37,405.85

Finding the Fourth Proportional to 65,700.17, 90,666.32 and 37,405.85

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Solution

The fourth proportional to 65,700.17, 90,666.32 and 37,405.85 is: 51,620.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,700.17 : 90,666.32 = 37,405.85 : x
  2. Step 2: Convert to fraction form
    65,700.17/90,666.32 = 37,405.85/x
  3. Step 3: Cross multiply
    65,700.17x = 90,666.32 × 37,405.85
  4. Step 4: Simplify right side
    65,700.17x = 3,391,450,125.61
  5. Step 5: Solve for x
    x = 3,391,450,125.61/65,700.17
  6. Step 6: Final answer
    x = 51,620.12

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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.