Home / 72,713.28-109,011.09-32,702.96

Finding the Fourth Proportional to 72,713.28, 109,011.09 and 32,702.96

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Solution

The fourth proportional to 72,713.28, 109,011.09 and 32,702.96 is: 49,027.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,713.28 : 109,011.09 = 32,702.96 : x
  2. Step 2: Convert to fraction form
    72,713.28/109,011.09 = 32,702.96/x
  3. Step 3: Cross multiply
    72,713.28x = 109,011.09 × 32,702.96
  4. Step 4: Simplify right side
    72,713.28x = 3,564,985,315.83
  5. Step 5: Solve for x
    x = 3,564,985,315.83/72,713.28
  6. Step 6: Final answer
    x = 49,027.98

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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.