Home / 92,308.26-138,722.09-54,875.02

Finding the Fourth Proportional to 92,308.26, 138,722.09 and 54,875.02

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Solution

The fourth proportional to 92,308.26, 138,722.09 and 54,875.02 is: 82,466.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,308.26 : 138,722.09 = 54,875.02 : x
  2. Step 2: Convert to fraction form
    92,308.26/138,722.09 = 54,875.02/x
  3. Step 3: Cross multiply
    92,308.26x = 138,722.09 × 54,875.02
  4. Step 4: Simplify right side
    92,308.26x = 7,612,377,565.12
  5. Step 5: Solve for x
    x = 7,612,377,565.12/92,308.26
  6. Step 6: Final answer
    x = 82,466.92

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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.