Home / 74,429.80-111,612.30-24,490.60

Finding the Fourth Proportional to 74,429.80, 111,612.30 and 24,490.60

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Solution

The fourth proportional to 74,429.80, 111,612.30 and 24,490.60 is: 36,725.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,429.80 : 111,612.30 = 24,490.60 : x
  2. Step 2: Convert to fraction form
    74,429.80/111,612.30 = 24,490.60/x
  3. Step 3: Cross multiply
    74,429.80x = 111,612.30 × 24,490.60
  4. Step 4: Simplify right side
    74,429.80x = 2,733,452,194.38
  5. Step 5: Solve for x
    x = 2,733,452,194.38/74,429.80
  6. Step 6: Final answer
    x = 36,725.24

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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.