Home / 82,677.40-124,016.10-27,266.20

Finding the Fourth Proportional to 82,677.40, 124,016.10 and 27,266.20

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Solution

The fourth proportional to 82,677.40, 124,016.10 and 27,266.20 is: 40,899.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,677.40 : 124,016.10 = 27,266.20 : x
  2. Step 2: Convert to fraction form
    82,677.40/124,016.10 = 27,266.20/x
  3. Step 3: Cross multiply
    82,677.40x = 124,016.10 × 27,266.20
  4. Step 4: Simplify right side
    82,677.40x = 3,381,447,785.82
  5. Step 5: Solve for x
    x = 3,381,447,785.82/82,677.40
  6. Step 6: Final answer
    x = 40,899.30

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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.