Home / 82,185.03-113,312.12-67,062.33

Finding the Fourth Proportional to 82,185.03, 113,312.12 and 67,062.33

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Solution

The fourth proportional to 82,185.03, 113,312.12 and 67,062.33 is: 92,461.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,185.03 : 113,312.12 = 67,062.33 : x
  2. Step 2: Convert to fraction form
    82,185.03/113,312.12 = 67,062.33/x
  3. Step 3: Cross multiply
    82,185.03x = 113,312.12 × 67,062.33
  4. Step 4: Simplify right side
    82,185.03x = 7,598,974,449.13
  5. Step 5: Solve for x
    x = 7,598,974,449.13/82,185.03
  6. Step 6: Final answer
    x = 92,461.78

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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.