Home / 86,396.52-129,597.82-30,225.32

Finding the Fourth Proportional to 86,396.52, 129,597.82 and 30,225.32

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Solution

The fourth proportional to 86,396.52, 129,597.82 and 30,225.32 is: 45,339.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,396.52 : 129,597.82 = 30,225.32 : x
  2. Step 2: Convert to fraction form
    86,396.52/129,597.82 = 30,225.32/x
  3. Step 3: Cross multiply
    86,396.52x = 129,597.82 × 30,225.32
  4. Step 4: Simplify right side
    86,396.52x = 3,917,135,580.80
  5. Step 5: Solve for x
    x = 3,917,135,580.80/86,396.52
  6. Step 6: Final answer
    x = 45,339.04

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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.