Home / 124,834.61-187,299.05-74,949.48

Finding the Fourth Proportional to 124,834.61, 187,299.05 and 74,949.48

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Solution

The fourth proportional to 124,834.61, 187,299.05 and 74,949.48 is: 112,452.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,834.61 : 187,299.05 = 74,949.48 : x
  2. Step 2: Convert to fraction form
    124,834.61/187,299.05 = 74,949.48/x
  3. Step 3: Cross multiply
    124,834.61x = 187,299.05 × 74,949.48
  4. Step 4: Simplify right side
    124,834.61x = 14,037,966,027.25
  5. Step 5: Solve for x
    x = 14,037,966,027.25/124,834.61
  6. Step 6: Final answer
    x = 112,452.52

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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.