Home / 72,257.42-108,339.88-34,742.77

Finding the Fourth Proportional to 72,257.42, 108,339.88 and 34,742.77

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Solution

The fourth proportional to 72,257.42, 108,339.88 and 34,742.77 is: 52,091.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,257.42 : 108,339.88 = 34,742.77 : x
  2. Step 2: Convert to fraction form
    72,257.42/108,339.88 = 34,742.77/x
  3. Step 3: Cross multiply
    72,257.42x = 108,339.88 × 34,742.77
  4. Step 4: Simplify right side
    72,257.42x = 3,764,027,849.52
  5. Step 5: Solve for x
    x = 3,764,027,849.52/72,257.42
  6. Step 6: Final answer
    x = 52,091.92

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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.