Home / 89,868.96-134,701.92-54,731.52

Finding the Fourth Proportional to 89,868.96, 134,701.92 and 54,731.52

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Solution

The fourth proportional to 89,868.96, 134,701.92 and 54,731.52 is: 82,035.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,868.96 : 134,701.92 = 54,731.52 : x
  2. Step 2: Convert to fraction form
    89,868.96/134,701.92 = 54,731.52/x
  3. Step 3: Cross multiply
    89,868.96x = 134,701.92 × 54,731.52
  4. Step 4: Simplify right side
    89,868.96x = 7,372,440,828.52
  5. Step 5: Solve for x
    x = 7,372,440,828.52/89,868.96
  6. Step 6: Final answer
    x = 82,035.45

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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.