Home / 124,531.92-171,857.97-70,813.53

Finding the Fourth Proportional to 124,531.92, 171,857.97 and 70,813.53

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Solution

The fourth proportional to 124,531.92, 171,857.97 and 70,813.53 is: 97,724.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,531.92 : 171,857.97 = 70,813.53 : x
  2. Step 2: Convert to fraction form
    124,531.92/171,857.97 = 70,813.53/x
  3. Step 3: Cross multiply
    124,531.92x = 171,857.97 × 70,813.53
  4. Step 4: Simplify right side
    124,531.92x = 12,169,869,514.33
  5. Step 5: Solve for x
    x = 12,169,869,514.33/124,531.92
  6. Step 6: Final answer
    x = 97,724.90

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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.