Home / 89,954.28-124,126.02-49,664.88

Finding the Fourth Proportional to 89,954.28, 124,126.02 and 49,664.88

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Solution

The fourth proportional to 89,954.28, 124,126.02 and 49,664.88 is: 68,531.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,954.28 : 124,126.02 = 49,664.88 : x
  2. Step 2: Convert to fraction form
    89,954.28/124,126.02 = 49,664.88/x
  3. Step 3: Cross multiply
    89,954.28x = 124,126.02 × 49,664.88
  4. Step 4: Simplify right side
    89,954.28x = 6,164,703,888.18
  5. Step 5: Solve for x
    x = 6,164,703,888.18/89,954.28
  6. Step 6: Final answer
    x = 68,531.52

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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.