Home / 83,696.09-125,437.28-39,224.86

Finding the Fourth Proportional to 83,696.09, 125,437.28 and 39,224.86

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Solution

The fourth proportional to 83,696.09, 125,437.28 and 39,224.86 is: 58,787.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,696.09 : 125,437.28 = 39,224.86 : x
  2. Step 2: Convert to fraction form
    83,696.09/125,437.28 = 39,224.86/x
  3. Step 3: Cross multiply
    83,696.09x = 125,437.28 × 39,224.86
  4. Step 4: Simplify right side
    83,696.09x = 4,920,259,237.06
  5. Step 5: Solve for x
    x = 4,920,259,237.06/83,696.09
  6. Step 6: Final answer
    x = 58,787.21

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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.