Home / 84,664.20-126,737.10-49,499.40

Finding the Fourth Proportional to 84,664.20, 126,737.10 and 49,499.40

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Solution

The fourth proportional to 84,664.20, 126,737.10 and 49,499.40 is: 74,097.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,664.20 : 126,737.10 = 49,499.40 : x
  2. Step 2: Convert to fraction form
    84,664.20/126,737.10 = 49,499.40/x
  3. Step 3: Cross multiply
    84,664.20x = 126,737.10 × 49,499.40
  4. Step 4: Simplify right side
    84,664.20x = 6,273,410,407.74
  5. Step 5: Solve for x
    x = 6,273,410,407.74/84,664.20
  6. Step 6: Final answer
    x = 74,097.56

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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.