Home / 72,337.12-108,512.40-22,417.60

Finding the Fourth Proportional to 72,337.12, 108,512.40 and 22,417.60

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Solution

The fourth proportional to 72,337.12, 108,512.40 and 22,417.60 is: 33,628.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,337.12 : 108,512.40 = 22,417.60 : x
  2. Step 2: Convert to fraction form
    72,337.12/108,512.40 = 22,417.60/x
  3. Step 3: Cross multiply
    72,337.12x = 108,512.40 × 22,417.60
  4. Step 4: Simplify right side
    72,337.12x = 2,432,587,578.24
  5. Step 5: Solve for x
    x = 2,432,587,578.24/72,337.12
  6. Step 6: Final answer
    x = 33,628.48

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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.