Home / 126,583.89-189,764.08-47,753.47

Finding the Fourth Proportional to 126,583.89, 189,764.08 and 47,753.47

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Solution

The fourth proportional to 126,583.89, 189,764.08 and 47,753.47 is: 71,588.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,583.89 : 189,764.08 = 47,753.47 : x
  2. Step 2: Convert to fraction form
    126,583.89/189,764.08 = 47,753.47/x
  3. Step 3: Cross multiply
    126,583.89x = 189,764.08 × 47,753.47
  4. Step 4: Simplify right side
    126,583.89x = 9,061,893,301.36
  5. Step 5: Solve for x
    x = 9,061,893,301.36/126,583.89
  6. Step 6: Final answer
    x = 71,588.05

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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.