Home / 75,073.04-112,531.13-25,112.05

Finding the Fourth Proportional to 75,073.04, 112,531.13 and 25,112.05

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Solution

The fourth proportional to 75,073.04, 112,531.13 and 25,112.05 is: 37,641.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,073.04 : 112,531.13 = 25,112.05 : x
  2. Step 2: Convert to fraction form
    75,073.04/112,531.13 = 25,112.05/x
  3. Step 3: Cross multiply
    75,073.04x = 112,531.13 × 25,112.05
  4. Step 4: Simplify right side
    75,073.04x = 2,825,886,674.90
  5. Step 5: Solve for x
    x = 2,825,886,674.90/75,073.04
  6. Step 6: Final answer
    x = 37,641.83

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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.