Home / 83,390.63-125,098.91-27,999.59

Finding the Fourth Proportional to 83,390.63, 125,098.91 and 27,999.59

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Solution

The fourth proportional to 83,390.63, 125,098.91 and 27,999.59 is: 42,003.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,390.63 : 125,098.91 = 27,999.59 : x
  2. Step 2: Convert to fraction form
    83,390.63/125,098.91 = 27,999.59/x
  3. Step 3: Cross multiply
    83,390.63x = 125,098.91 × 27,999.59
  4. Step 4: Simplify right side
    83,390.63x = 3,502,717,423.95
  5. Step 5: Solve for x
    x = 3,502,717,423.95/83,390.63
  6. Step 6: Final answer
    x = 42,003.73

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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.