Home / 124,813.20-172,200.18-71,060.19

Finding the Fourth Proportional to 124,813.20, 172,200.18 and 71,060.19

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Solution

The fourth proportional to 124,813.20, 172,200.18 and 71,060.19 is: 98,039.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,813.20 : 172,200.18 = 71,060.19 : x
  2. Step 2: Convert to fraction form
    124,813.20/172,200.18 = 71,060.19/x
  3. Step 3: Cross multiply
    124,813.20x = 172,200.18 × 71,060.19
  4. Step 4: Simplify right side
    124,813.20x = 12,236,576,729.85
  5. Step 5: Solve for x
    x = 12,236,576,729.85/124,813.20
  6. Step 6: Final answer
    x = 98,039.12

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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.