Home / 83,974.53-125,347.41-74,010.36

Finding the Fourth Proportional to 83,974.53, 125,347.41 and 74,010.36

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Solution

The fourth proportional to 83,974.53, 125,347.41 and 74,010.36 is: 110,474.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,974.53 : 125,347.41 = 74,010.36 : x
  2. Step 2: Convert to fraction form
    83,974.53/125,347.41 = 74,010.36/x
  3. Step 3: Cross multiply
    83,974.53x = 125,347.41 × 74,010.36
  4. Step 4: Simplify right side
    83,974.53x = 9,277,006,939.17
  5. Step 5: Solve for x
    x = 9,277,006,939.17/83,974.53
  6. Step 6: Final answer
    x = 110,474.06

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1.5x scale

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.