Home / 89,199.72-133,787.28-49,292.46

Finding the Fourth Proportional to 89,199.72, 133,787.28 and 49,292.46

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Solution

The fourth proportional to 89,199.72, 133,787.28 and 49,292.46 is: 73,931.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,199.72 : 133,787.28 = 49,292.46 : x
  2. Step 2: Convert to fraction form
    89,199.72/133,787.28 = 49,292.46/x
  3. Step 3: Cross multiply
    89,199.72x = 133,787.28 × 49,292.46
  4. Step 4: Simplify right side
    89,199.72x = 6,594,704,147.91
  5. Step 5: Solve for x
    x = 6,594,704,147.91/89,199.72
  6. Step 6: Final answer
    x = 73,931.89

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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.