Home / 99,343.52-137,089.88-56,325.90

Finding the Fourth Proportional to 99,343.52, 137,089.88 and 56,325.90

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Solution

The fourth proportional to 99,343.52, 137,089.88 and 56,325.90 is: 77,727.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,343.52 : 137,089.88 = 56,325.90 : x
  2. Step 2: Convert to fraction form
    99,343.52/137,089.88 = 56,325.90/x
  3. Step 3: Cross multiply
    99,343.52x = 137,089.88 × 56,325.90
  4. Step 4: Simplify right side
    99,343.52x = 7,721,710,590.26
  5. Step 5: Solve for x
    x = 7,721,710,590.26/99,343.52
  6. Step 6: Final answer
    x = 77,727.37

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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.