Home / 88,374.24-121,909.96-52,538.76

Finding the Fourth Proportional to 88,374.24, 121,909.96 and 52,538.76

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Solution

The fourth proportional to 88,374.24, 121,909.96 and 52,538.76 is: 72,475.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,374.24 : 121,909.96 = 52,538.76 : x
  2. Step 2: Convert to fraction form
    88,374.24/121,909.96 = 52,538.76/x
  3. Step 3: Cross multiply
    88,374.24x = 121,909.96 × 52,538.76
  4. Step 4: Simplify right side
    88,374.24x = 6,404,998,130.05
  5. Step 5: Solve for x
    x = 6,404,998,130.05/88,374.24
  6. Step 6: Final answer
    x = 72,475.85

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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.