Home / 72,929.58-109,248.45-57,961.96

Finding the Fourth Proportional to 72,929.58, 109,248.45 and 57,961.96

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Solution

The fourth proportional to 72,929.58, 109,248.45 and 57,961.96 is: 86,826.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,929.58 : 109,248.45 = 57,961.96 : x
  2. Step 2: Convert to fraction form
    72,929.58/109,248.45 = 57,961.96/x
  3. Step 3: Cross multiply
    72,929.58x = 109,248.45 × 57,961.96
  4. Step 4: Simplify right side
    72,929.58x = 6,332,254,288.96
  5. Step 5: Solve for x
    x = 6,332,254,288.96/72,929.58
  6. Step 6: Final answer
    x = 86,826.97

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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.