Home / 75,080.39-103,565.89-49,586.81

Finding the Fourth Proportional to 75,080.39, 103,565.89 and 49,586.81

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Solution

The fourth proportional to 75,080.39, 103,565.89 and 49,586.81 is: 68,400.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,080.39 : 103,565.89 = 49,586.81 : x
  2. Step 2: Convert to fraction form
    75,080.39/103,565.89 = 49,586.81/x
  3. Step 3: Cross multiply
    75,080.39x = 103,565.89 × 49,586.81
  4. Step 4: Simplify right side
    75,080.39x = 5,135,501,592.08
  5. Step 5: Solve for x
    x = 5,135,501,592.08/75,080.39
  6. Step 6: Final answer
    x = 68,400.04

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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.