Home / 113,686.11-156,887.94-62,700.90

Finding the Fourth Proportional to 113,686.11, 156,887.94 and 62,700.90

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Solution

The fourth proportional to 113,686.11, 156,887.94 and 62,700.90 is: 86,527.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,686.11 : 156,887.94 = 62,700.90 : x
  2. Step 2: Convert to fraction form
    113,686.11/156,887.94 = 62,700.90/x
  3. Step 3: Cross multiply
    113,686.11x = 156,887.94 × 62,700.90
  4. Step 4: Simplify right side
    113,686.11x = 9,837,015,037.15
  5. Step 5: Solve for x
    x = 9,837,015,037.15/113,686.11
  6. Step 6: Final answer
    x = 86,527.85

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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.