Home / 115,932.10-173,898.15-56,776.90

Finding the Fourth Proportional to 115,932.10, 173,898.15 and 56,776.90

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Solution

The fourth proportional to 115,932.10, 173,898.15 and 56,776.90 is: 85,165.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,932.10 : 173,898.15 = 56,776.90 : x
  2. Step 2: Convert to fraction form
    115,932.10/173,898.15 = 56,776.90/x
  3. Step 3: Cross multiply
    115,932.10x = 173,898.15 × 56,776.90
  4. Step 4: Simplify right side
    115,932.10x = 9,873,397,872.74
  5. Step 5: Solve for x
    x = 9,873,397,872.74/115,932.10
  6. Step 6: Final answer
    x = 85,165.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.