Home / 126,487.27-174,545.56-69,895

Finding the Fourth Proportional to 126,487.27, 174,545.56 and 69,895

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Solution

The fourth proportional to 126,487.27, 174,545.56 and 69,895 is: 96,451.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,487.27 : 174,545.56 = 69,895 : x
  2. Step 2: Convert to fraction form
    126,487.27/174,545.56 = 69,895/x
  3. Step 3: Cross multiply
    126,487.27x = 174,545.56 × 69,895
  4. Step 4: Simplify right side
    126,487.27x = 12,199,861,916.20
  5. Step 5: Solve for x
    x = 12,199,861,916.20/126,487.27
  6. Step 6: Final answer
    x = 96,451.30

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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.