Home / 125,532.72-173,239.02-68,943.96

Finding the Fourth Proportional to 125,532.72, 173,239.02 and 68,943.96

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Solution

The fourth proportional to 125,532.72, 173,239.02 and 68,943.96 is: 95,144.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,532.72 : 173,239.02 = 68,943.96 : x
  2. Step 2: Convert to fraction form
    125,532.72/173,239.02 = 68,943.96/x
  3. Step 3: Cross multiply
    125,532.72x = 173,239.02 × 68,943.96
  4. Step 4: Simplify right side
    125,532.72x = 11,943,784,065.32
  5. Step 5: Solve for x
    x = 11,943,784,065.32/125,532.72
  6. Step 6: Final answer
    x = 95,144.79

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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.