Home / 96,586.40-144,812.10-57,123.20

Finding the Fourth Proportional to 96,586.40, 144,812.10 and 57,123.20

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Solution

The fourth proportional to 96,586.40, 144,812.10 and 57,123.20 is: 85,644.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,586.40 : 144,812.10 = 57,123.20 : x
  2. Step 2: Convert to fraction form
    96,586.40/144,812.10 = 57,123.20/x
  3. Step 3: Cross multiply
    96,586.40x = 144,812.10 × 57,123.20
  4. Step 4: Simplify right side
    96,586.40x = 8,272,130,550.72
  5. Step 5: Solve for x
    x = 8,272,130,550.72/96,586.40
  6. Step 6: Final answer
    x = 85,644.88

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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.