Home / 76,891.17-106,114.56-42,899.73

Finding the Fourth Proportional to 76,891.17, 106,114.56 and 42,899.73

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Solution

The fourth proportional to 76,891.17, 106,114.56 and 42,899.73 is: 59,204.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,891.17 : 106,114.56 = 42,899.73 : x
  2. Step 2: Convert to fraction form
    76,891.17/106,114.56 = 42,899.73/x
  3. Step 3: Cross multiply
    76,891.17x = 106,114.56 × 42,899.73
  4. Step 4: Simplify right side
    76,891.17x = 4,552,285,414.27
  5. Step 5: Solve for x
    x = 4,552,285,414.27/76,891.17
  6. Step 6: Final answer
    x = 59,204.26

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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.