Home / 126,472.04-189,686.19-47,586.95

Finding the Fourth Proportional to 126,472.04, 189,686.19 and 47,586.95

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Solution

The fourth proportional to 126,472.04, 189,686.19 and 47,586.95 is: 71,372.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,472.04 : 189,686.19 = 47,586.95 : x
  2. Step 2: Convert to fraction form
    126,472.04/189,686.19 = 47,586.95/x
  3. Step 3: Cross multiply
    126,472.04x = 189,686.19 × 47,586.95
  4. Step 4: Simplify right side
    126,472.04x = 9,026,587,239.22
  5. Step 5: Solve for x
    x = 9,026,587,239.22/126,472.04
  6. Step 6: Final answer
    x = 71,372.20

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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.