Home / 126,397.73-189,597.12-31,627.66

Finding the Fourth Proportional to 126,397.73, 189,597.12 and 31,627.66

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Solution

The fourth proportional to 126,397.73, 189,597.12 and 31,627.66 is: 47,441.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,397.73 : 189,597.12 = 31,627.66 : x
  2. Step 2: Convert to fraction form
    126,397.73/189,597.12 = 31,627.66/x
  3. Step 3: Cross multiply
    126,397.73x = 189,597.12 × 31,627.66
  4. Step 4: Simplify right side
    126,397.73x = 5,996,513,011.34
  5. Step 5: Solve for x
    x = 5,996,513,011.34/126,397.73
  6. Step 6: Final answer
    x = 47,441.62

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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.