Home / 82,826.40-124,239.60-27,422.40

Finding the Fourth Proportional to 82,826.40, 124,239.60 and 27,422.40

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Solution

The fourth proportional to 82,826.40, 124,239.60 and 27,422.40 is: 41,133.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,826.40 : 124,239.60 = 27,422.40 : x
  2. Step 2: Convert to fraction form
    82,826.40/124,239.60 = 27,422.40/x
  3. Step 3: Cross multiply
    82,826.40x = 124,239.60 × 27,422.40
  4. Step 4: Simplify right side
    82,826.40x = 3,406,948,007.04
  5. Step 5: Solve for x
    x = 3,406,948,007.04/82,826.40
  6. Step 6: Final answer
    x = 41,133.60

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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.