Home / 48,617.20-72,925.80-15,785.20

Finding the Fourth Proportional to 48,617.20, 72,925.80 and 15,785.20

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Solution

The fourth proportional to 48,617.20, 72,925.80 and 15,785.20 is: 23,677.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,617.20 : 72,925.80 = 15,785.20 : x
  2. Step 2: Convert to fraction form
    48,617.20/72,925.80 = 15,785.20/x
  3. Step 3: Cross multiply
    48,617.20x = 72,925.80 × 15,785.20
  4. Step 4: Simplify right side
    48,617.20x = 1,151,148,338.16
  5. Step 5: Solve for x
    x = 1,151,148,338.16/48,617.20
  6. Step 6: Final answer
    x = 23,677.80

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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.