Home / 82,886.26-124,330.25-66,351.40

Finding the Fourth Proportional to 82,886.26, 124,330.25 and 66,351.40

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Solution

The fourth proportional to 82,886.26, 124,330.25 and 66,351.40 is: 99,527.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,886.26 : 124,330.25 = 66,351.40 : x
  2. Step 2: Convert to fraction form
    82,886.26/124,330.25 = 66,351.40/x
  3. Step 3: Cross multiply
    82,886.26x = 124,330.25 × 66,351.40
  4. Step 4: Simplify right side
    82,886.26x = 8,249,485,196.44
  5. Step 5: Solve for x
    x = 8,249,485,196.44/82,886.26
  6. Step 6: Final answer
    x = 99,527.78

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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.