Home / 89,940.64-124,117.38-49,654.36

Finding the Fourth Proportional to 89,940.64, 124,117.38 and 49,654.36

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Solution

The fourth proportional to 89,940.64, 124,117.38 and 49,654.36 is: 68,522.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,940.64 : 124,117.38 = 49,654.36 : x
  2. Step 2: Convert to fraction form
    89,940.64/124,117.38 = 49,654.36/x
  3. Step 3: Cross multiply
    89,940.64x = 124,117.38 × 49,654.36
  4. Step 4: Simplify right side
    89,940.64x = 6,162,969,068.78
  5. Step 5: Solve for x
    x = 6,162,969,068.78/89,940.64
  6. Step 6: Final answer
    x = 68,522.63

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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.