Home / 72,345.60-108,498.96-49,115.04

Finding the Fourth Proportional to 72,345.60, 108,498.96 and 49,115.04

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Solution

The fourth proportional to 72,345.60, 108,498.96 and 49,115.04 is: 73,659.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,345.60 : 108,498.96 = 49,115.04 : x
  2. Step 2: Convert to fraction form
    72,345.60/108,498.96 = 49,115.04/x
  3. Step 3: Cross multiply
    72,345.60x = 108,498.96 × 49,115.04
  4. Step 4: Simplify right side
    72,345.60x = 5,328,930,760.36
  5. Step 5: Solve for x
    x = 5,328,930,760.36/72,345.60
  6. Step 6: Final answer
    x = 73,659.36

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1.5x scale

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.