Home / 89,374.44-133,857.51-42,660.12

Finding the Fourth Proportional to 89,374.44, 133,857.51 and 42,660.12

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Solution

The fourth proportional to 89,374.44, 133,857.51 and 42,660.12 is: 63,892.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,374.44 : 133,857.51 = 42,660.12 : x
  2. Step 2: Convert to fraction form
    89,374.44/133,857.51 = 42,660.12/x
  3. Step 3: Cross multiply
    89,374.44x = 133,857.51 × 42,660.12
  4. Step 4: Simplify right side
    89,374.44x = 5,710,377,439.50
  5. Step 5: Solve for x
    x = 5,710,377,439.50/89,374.44
  6. Step 6: Final answer
    x = 63,892.74

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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.