Home / 52,099.20-71,890.56-29,436.80

Finding the Fourth Proportional to 52,099.20, 71,890.56 and 29,436.80

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Solution

The fourth proportional to 52,099.20, 71,890.56 and 29,436.80 is: 40,619.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,099.20 : 71,890.56 = 29,436.80 : x
  2. Step 2: Convert to fraction form
    52,099.20/71,890.56 = 29,436.80/x
  3. Step 3: Cross multiply
    52,099.20x = 71,890.56 × 29,436.80
  4. Step 4: Simplify right side
    52,099.20x = 2,116,228,036.61
  5. Step 5: Solve for x
    x = 2,116,228,036.61/52,099.20
  6. Step 6: Final answer
    x = 40,619.20

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1.5x scale

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.