Home / 89,919.40-135,024.90-60,467.80

Finding the Fourth Proportional to 89,919.40, 135,024.90 and 60,467.80

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Solution

The fourth proportional to 89,919.40, 135,024.90 and 60,467.80 is: 90,799.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,919.40 : 135,024.90 = 60,467.80 : x
  2. Step 2: Convert to fraction form
    89,919.40/135,024.90 = 60,467.80/x
  3. Step 3: Cross multiply
    89,919.40x = 135,024.90 × 60,467.80
  4. Step 4: Simplify right side
    89,919.40x = 8,164,658,648.22
  5. Step 5: Solve for x
    x = 8,164,658,648.22/89,919.40
  6. Step 6: Final answer
    x = 90,799.75

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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.