Home / 75,130.62-103,685.22-43,301.55

Finding the Fourth Proportional to 75,130.62, 103,685.22 and 43,301.55

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Solution

The fourth proportional to 75,130.62, 103,685.22 and 43,301.55 is: 59,759.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,130.62 : 103,685.22 = 43,301.55 : x
  2. Step 2: Convert to fraction form
    75,130.62/103,685.22 = 43,301.55/x
  3. Step 3: Cross multiply
    75,130.62x = 103,685.22 × 43,301.55
  4. Step 4: Simplify right side
    75,130.62x = 4,489,730,738.09
  5. Step 5: Solve for x
    x = 4,489,730,738.09/75,130.62
  6. Step 6: Final answer
    x = 59,759.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.