Home / 89,823.40-134,540.70-48,221.80

Finding the Fourth Proportional to 89,823.40, 134,540.70 and 48,221.80

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Solution

The fourth proportional to 89,823.40, 134,540.70 and 48,221.80 is: 72,228.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,823.40 : 134,540.70 = 48,221.80 : x
  2. Step 2: Convert to fraction form
    89,823.40/134,540.70 = 48,221.80/x
  3. Step 3: Cross multiply
    89,823.40x = 134,540.70 × 48,221.80
  4. Step 4: Simplify right side
    89,823.40x = 6,487,794,727.26
  5. Step 5: Solve for x
    x = 6,487,794,727.26/89,823.40
  6. Step 6: Final answer
    x = 72,228.34

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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.