Home / 96,725.28-145,000.48-34,381.20

Finding the Fourth Proportional to 96,725.28, 145,000.48 and 34,381.20

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Solution

The fourth proportional to 96,725.28, 145,000.48 and 34,381.20 is: 51,540.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,725.28 : 145,000.48 = 34,381.20 : x
  2. Step 2: Convert to fraction form
    96,725.28/145,000.48 = 34,381.20/x
  3. Step 3: Cross multiply
    96,725.28x = 145,000.48 × 34,381.20
  4. Step 4: Simplify right side
    96,725.28x = 4,985,290,502.98
  5. Step 5: Solve for x
    x = 4,985,290,502.98/96,725.28
  6. Step 6: Final answer
    x = 51,540.72

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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.