Home / 87,482.48-131,219.54-40,070.21

Finding the Fourth Proportional to 87,482.48, 131,219.54 and 40,070.21

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Solution

The fourth proportional to 87,482.48, 131,219.54 and 40,070.21 is: 60,103.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,482.48 : 131,219.54 = 40,070.21 : x
  2. Step 2: Convert to fraction form
    87,482.48/131,219.54 = 40,070.21/x
  3. Step 3: Cross multiply
    87,482.48x = 131,219.54 × 40,070.21
  4. Step 4: Simplify right side
    87,482.48x = 5,257,994,323.55
  5. Step 5: Solve for x
    x = 5,257,994,323.55/87,482.48
  6. Step 6: Final answer
    x = 60,103.40

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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.