Home / 86,157.60-129,236.16-26,993.52

Finding the Fourth Proportional to 86,157.60, 129,236.16 and 26,993.52

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Solution

The fourth proportional to 86,157.60, 129,236.16 and 26,993.52 is: 40,490.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,157.60 : 129,236.16 = 26,993.52 : x
  2. Step 2: Convert to fraction form
    86,157.60/129,236.16 = 26,993.52/x
  3. Step 3: Cross multiply
    86,157.60x = 129,236.16 × 26,993.52
  4. Step 4: Simplify right side
    86,157.60x = 3,488,538,869.68
  5. Step 5: Solve for x
    x = 3,488,538,869.68/86,157.60
  6. Step 6: Final answer
    x = 40,490.20

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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.