Home / 87,880.65-131,820.96-35,290.14

Finding the Fourth Proportional to 87,880.65, 131,820.96 and 35,290.14

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Solution

The fourth proportional to 87,880.65, 131,820.96 and 35,290.14 is: 52,935.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,880.65 : 131,820.96 = 35,290.14 : x
  2. Step 2: Convert to fraction form
    87,880.65/131,820.96 = 35,290.14/x
  3. Step 3: Cross multiply
    87,880.65x = 131,820.96 × 35,290.14
  4. Step 4: Simplify right side
    87,880.65x = 4,651,980,133.33
  5. Step 5: Solve for x
    x = 4,651,980,133.33/87,880.65
  6. Step 6: Final answer
    x = 52,935.20

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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.