Home / 83,521.18-125,060.10-65,328.04

Finding the Fourth Proportional to 83,521.18, 125,060.10 and 65,328.04

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Solution

The fourth proportional to 83,521.18, 125,060.10 and 65,328.04 is: 97,818.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,521.18 : 125,060.10 = 65,328.04 : x
  2. Step 2: Convert to fraction form
    83,521.18/125,060.10 = 65,328.04/x
  3. Step 3: Cross multiply
    83,521.18x = 125,060.10 × 65,328.04
  4. Step 4: Simplify right side
    83,521.18x = 8,169,931,215.20
  5. Step 5: Solve for x
    x = 8,169,931,215.20/83,521.18
  6. Step 6: Final answer
    x = 97,818.68

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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.