Home / 55,691.32-83,539.80-16,251.40

Finding the Fourth Proportional to 55,691.32, 83,539.80 and 16,251.40

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Solution

The fourth proportional to 55,691.32, 83,539.80 and 16,251.40 is: 24,377.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,691.32 : 83,539.80 = 16,251.40 : x
  2. Step 2: Convert to fraction form
    55,691.32/83,539.80 = 16,251.40/x
  3. Step 3: Cross multiply
    55,691.32x = 83,539.80 × 16,251.40
  4. Step 4: Simplify right side
    55,691.32x = 1,357,638,705.72
  5. Step 5: Solve for x
    x = 1,357,638,705.72/55,691.32
  6. Step 6: Final answer
    x = 24,377.92

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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.