Home / 75,710.64-113,553.58-53,456.55

Finding the Fourth Proportional to 75,710.64, 113,553.58 and 53,456.55

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Solution

The fourth proportional to 75,710.64, 113,553.58 and 53,456.55 is: 80,176.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,710.64 : 113,553.58 = 53,456.55 : x
  2. Step 2: Convert to fraction form
    75,710.64/113,553.58 = 53,456.55/x
  3. Step 3: Cross multiply
    75,710.64x = 113,553.58 × 53,456.55
  4. Step 4: Simplify right side
    75,710.64x = 6,070,182,626.95
  5. Step 5: Solve for x
    x = 6,070,182,626.95/75,710.64
  6. Step 6: Final answer
    x = 80,176.08

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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.