Home / 89,078.74-133,619.52-29,914.92

Finding the Fourth Proportional to 89,078.74, 133,619.52 and 29,914.92

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Solution

The fourth proportional to 89,078.74, 133,619.52 and 29,914.92 is: 44,872.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,078.74 : 133,619.52 = 29,914.92 : x
  2. Step 2: Convert to fraction form
    89,078.74/133,619.52 = 29,914.92/x
  3. Step 3: Cross multiply
    89,078.74x = 133,619.52 × 29,914.92
  4. Step 4: Simplify right side
    89,078.74x = 3,997,217,363.42
  5. Step 5: Solve for x
    x = 3,997,217,363.42/89,078.74
  6. Step 6: Final answer
    x = 44,872.86

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1.5x scale

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.