Home / 86,597.46-129,909.78-36,677.84

Finding the Fourth Proportional to 86,597.46, 129,909.78 and 36,677.84

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Solution

The fourth proportional to 86,597.46, 129,909.78 and 36,677.84 is: 55,022.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,597.46 : 129,909.78 = 36,677.84 : x
  2. Step 2: Convert to fraction form
    86,597.46/129,909.78 = 36,677.84/x
  3. Step 3: Cross multiply
    86,597.46x = 129,909.78 × 36,677.84
  4. Step 4: Simplify right side
    86,597.46x = 4,764,809,475.73
  5. Step 5: Solve for x
    x = 4,764,809,475.73/86,597.46
  6. Step 6: Final answer
    x = 55,022.51

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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.