Home / 87,473.66-131,209.62-40,075.30

Finding the Fourth Proportional to 87,473.66, 131,209.62 and 40,075.30

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Solution

The fourth proportional to 87,473.66, 131,209.62 and 40,075.30 is: 60,112.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,473.66 : 131,209.62 = 40,075.30 : x
  2. Step 2: Convert to fraction form
    87,473.66/131,209.62 = 40,075.30/x
  3. Step 3: Cross multiply
    87,473.66x = 131,209.62 × 40,075.30
  4. Step 4: Simplify right side
    87,473.66x = 5,258,265,071.67
  5. Step 5: Solve for x
    x = 5,258,265,071.67/87,473.66
  6. Step 6: Final answer
    x = 60,112.56

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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.