Home / 72,257.76-99,749.18-42,032.07

Finding the Fourth Proportional to 72,257.76, 99,749.18 and 42,032.07

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Solution

The fourth proportional to 72,257.76, 99,749.18 and 42,032.07 is: 58,023.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,257.76 : 99,749.18 = 42,032.07 : x
  2. Step 2: Convert to fraction form
    72,257.76/99,749.18 = 42,032.07/x
  3. Step 3: Cross multiply
    72,257.76x = 99,749.18 × 42,032.07
  4. Step 4: Simplify right side
    72,257.76x = 4,192,664,306.04
  5. Step 5: Solve for x
    x = 4,192,664,306.04/72,257.76
  6. Step 6: Final answer
    x = 58,023.72

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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.