Home / 86,505.12-129,751.20-24,180.48

Finding the Fourth Proportional to 86,505.12, 129,751.20 and 24,180.48

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Solution

The fourth proportional to 86,505.12, 129,751.20 and 24,180.48 is: 36,268.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,505.12 : 129,751.20 = 24,180.48 : x
  2. Step 2: Convert to fraction form
    86,505.12/129,751.20 = 24,180.48/x
  3. Step 3: Cross multiply
    86,505.12x = 129,751.20 × 24,180.48
  4. Step 4: Simplify right side
    86,505.12x = 3,137,446,296.58
  5. Step 5: Solve for x
    x = 3,137,446,296.58/86,505.12
  6. Step 6: Final answer
    x = 36,268.91

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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.