Home / 82,282.08-113,443.20-67,159.20

Finding the Fourth Proportional to 82,282.08, 113,443.20 and 67,159.20

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Solution

The fourth proportional to 82,282.08, 113,443.20 and 67,159.20 is: 92,593.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,282.08 : 113,443.20 = 67,159.20 : x
  2. Step 2: Convert to fraction form
    82,282.08/113,443.20 = 67,159.20/x
  3. Step 3: Cross multiply
    82,282.08x = 113,443.20 × 67,159.20
  4. Step 4: Simplify right side
    82,282.08x = 7,618,754,557.44
  5. Step 5: Solve for x
    x = 7,618,754,557.44/82,282.08
  6. Step 6: Final answer
    x = 92,593.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.