Home / 76,882.68-106,098.20-42,893.36

Finding the Fourth Proportional to 76,882.68, 106,098.20 and 42,893.36

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Solution

The fourth proportional to 76,882.68, 106,098.20 and 42,893.36 is: 59,192.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,882.68 : 106,098.20 = 42,893.36 : x
  2. Step 2: Convert to fraction form
    76,882.68/106,098.20 = 42,893.36/x
  3. Step 3: Cross multiply
    76,882.68x = 106,098.20 × 42,893.36
  4. Step 4: Simplify right side
    76,882.68x = 4,550,908,287.95
  5. Step 5: Solve for x
    x = 4,550,908,287.95/76,882.68
  6. Step 6: Final answer
    x = 59,192.89

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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.