Home / 86,322.39-129,384.77-36,327.57

Finding the Fourth Proportional to 86,322.39, 129,384.77 and 36,327.57

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Solution

The fourth proportional to 86,322.39, 129,384.77 and 36,327.57 is: 54,449.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,322.39 : 129,384.77 = 36,327.57 : x
  2. Step 2: Convert to fraction form
    86,322.39/129,384.77 = 36,327.57/x
  3. Step 3: Cross multiply
    86,322.39x = 129,384.77 × 36,327.57
  4. Step 4: Simplify right side
    86,322.39x = 4,700,234,107.47
  5. Step 5: Solve for x
    x = 4,700,234,107.47/86,322.39
  6. Step 6: Final answer
    x = 54,449.77

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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.