Home / 124,763.46-172,173.33-71,048.49

Finding the Fourth Proportional to 124,763.46, 172,173.33 and 71,048.49

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Solution

The fourth proportional to 124,763.46, 172,173.33 and 71,048.49 is: 98,046.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,763.46 : 172,173.33 = 71,048.49 : x
  2. Step 2: Convert to fraction form
    124,763.46/172,173.33 = 71,048.49/x
  3. Step 3: Cross multiply
    124,763.46x = 172,173.33 × 71,048.49
  4. Step 4: Simplify right side
    124,763.46x = 12,232,655,114.77
  5. Step 5: Solve for x
    x = 12,232,655,114.77/124,763.46
  6. Step 6: Final answer
    x = 98,046.78

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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.