Home / 89,956.28-124,144.50-49,669.88

Finding the Fourth Proportional to 89,956.28, 124,144.50 and 49,669.88

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Solution

The fourth proportional to 89,956.28, 124,144.50 and 49,669.88 is: 68,547.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,956.28 : 124,144.50 = 49,669.88 : x
  2. Step 2: Convert to fraction form
    89,956.28/124,144.50 = 49,669.88/x
  3. Step 3: Cross multiply
    89,956.28x = 124,144.50 × 49,669.88
  4. Step 4: Simplify right side
    89,956.28x = 6,166,242,417.66
  5. Step 5: Solve for x
    x = 6,166,242,417.66/89,956.28
  6. Step 6: Final answer
    x = 68,547.10

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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.