Home / 89,871.98-124,023.79-49,585.76

Finding the Fourth Proportional to 89,871.98, 124,023.79 and 49,585.76

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Solution

The fourth proportional to 89,871.98, 124,023.79 and 49,585.76 is: 68,428.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,871.98 : 124,023.79 = 49,585.76 : x
  2. Step 2: Convert to fraction form
    89,871.98/124,023.79 = 49,585.76/x
  3. Step 3: Cross multiply
    89,871.98x = 124,023.79 × 49,585.76
  4. Step 4: Simplify right side
    89,871.98x = 6,149,813,885.23
  5. Step 5: Solve for x
    x = 6,149,813,885.23/89,871.98
  6. Step 6: Final answer
    x = 68,428.60

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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.