Home / 125,576.38-173,295.47-68,991.40

Finding the Fourth Proportional to 125,576.38, 173,295.47 and 68,991.40

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Solution

The fourth proportional to 125,576.38, 173,295.47 and 68,991.40 is: 95,208.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,576.38 : 173,295.47 = 68,991.40 : x
  2. Step 2: Convert to fraction form
    125,576.38/173,295.47 = 68,991.40/x
  3. Step 3: Cross multiply
    125,576.38x = 173,295.47 × 68,991.40
  4. Step 4: Simplify right side
    125,576.38x = 11,955,895,877.52
  5. Step 5: Solve for x
    x = 11,955,895,877.52/125,576.38
  6. Step 6: Final answer
    x = 95,208.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.