Home / 83,487.93-125,281.04-30,934.05

Finding the Fourth Proportional to 83,487.93, 125,281.04 and 30,934.05

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Solution

The fourth proportional to 83,487.93, 125,281.04 and 30,934.05 is: 46,419.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,487.93 : 125,281.04 = 30,934.05 : x
  2. Step 2: Convert to fraction form
    83,487.93/125,281.04 = 30,934.05/x
  3. Step 3: Cross multiply
    83,487.93x = 125,281.04 × 30,934.05
  4. Step 4: Simplify right side
    83,487.93x = 3,875,449,800.74
  5. Step 5: Solve for x
    x = 3,875,449,800.74/83,487.93
  6. Step 6: Final answer
    x = 46,419.28

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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.