Home / 92,617.90-138,732.45-51,016.30

Finding the Fourth Proportional to 92,617.90, 138,732.45 and 51,016.30

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Solution

The fourth proportional to 92,617.90, 138,732.45 and 51,016.30 is: 76,417.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,617.90 : 138,732.45 = 51,016.30 : x
  2. Step 2: Convert to fraction form
    92,617.90/138,732.45 = 51,016.30/x
  3. Step 3: Cross multiply
    92,617.90x = 138,732.45 × 51,016.30
  4. Step 4: Simplify right side
    92,617.90x = 7,077,616,288.94
  5. Step 5: Solve for x
    x = 7,077,616,288.94/92,617.90
  6. Step 6: Final answer
    x = 76,417.37

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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.