Home / 71,270.02-106,378.61-62,865.28

Finding the Fourth Proportional to 71,270.02, 106,378.61 and 62,865.28

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Solution

The fourth proportional to 71,270.02, 106,378.61 and 62,865.28 is: 93,833.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,270.02 : 106,378.61 = 62,865.28 : x
  2. Step 2: Convert to fraction form
    71,270.02/106,378.61 = 62,865.28/x
  3. Step 3: Cross multiply
    71,270.02x = 106,378.61 × 62,865.28
  4. Step 4: Simplify right side
    71,270.02x = 6,687,521,103.66
  5. Step 5: Solve for x
    x = 6,687,521,103.66/71,270.02
  6. Step 6: Final answer
    x = 93,833.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.