Home / 83,575.69-125,381.99-30,985.18

Finding the Fourth Proportional to 83,575.69, 125,381.99 and 30,985.18

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Solution

The fourth proportional to 83,575.69, 125,381.99 and 30,985.18 is: 46,484.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,575.69 : 125,381.99 = 30,985.18 : x
  2. Step 2: Convert to fraction form
    83,575.69/125,381.99 = 30,985.18/x
  3. Step 3: Cross multiply
    83,575.69x = 125,381.99 × 30,985.18
  4. Step 4: Simplify right side
    83,575.69x = 3,884,983,528.91
  5. Step 5: Solve for x
    x = 3,884,983,528.91/83,575.69
  6. Step 6: Final answer
    x = 46,484.61

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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.