Home / 83,412.24-125,101.08-30,785.76

Finding the Fourth Proportional to 83,412.24, 125,101.08 and 30,785.76

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Solution

The fourth proportional to 83,412.24, 125,101.08 and 30,785.76 is: 46,172.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,412.24 : 125,101.08 = 30,785.76 : x
  2. Step 2: Convert to fraction form
    83,412.24/125,101.08 = 30,785.76/x
  3. Step 3: Cross multiply
    83,412.24x = 125,101.08 × 30,785.76
  4. Step 4: Simplify right side
    83,412.24x = 3,851,331,824.62
  5. Step 5: Solve for x
    x = 3,851,331,824.62/83,412.24
  6. Step 6: Final answer
    x = 46,172.26

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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.