Home / 87,420.40-131,033.40-48,005.80

Finding the Fourth Proportional to 87,420.40, 131,033.40 and 48,005.80

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Solution

The fourth proportional to 87,420.40, 131,033.40 and 48,005.80 is: 71,955.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,420.40 : 131,033.40 = 48,005.80 : x
  2. Step 2: Convert to fraction form
    87,420.40/131,033.40 = 48,005.80/x
  3. Step 3: Cross multiply
    87,420.40x = 131,033.40 × 48,005.80
  4. Step 4: Simplify right side
    87,420.40x = 6,290,363,193.72
  5. Step 5: Solve for x
    x = 6,290,363,193.72/87,420.40
  6. Step 6: Final answer
    x = 71,955.32

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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.