Home / 83,827.46-125,823.84-61,578.38

Finding the Fourth Proportional to 83,827.46, 125,823.84 and 61,578.38

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Solution

The fourth proportional to 83,827.46, 125,823.84 and 61,578.38 is: 92,428.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,827.46 : 125,823.84 = 61,578.38 : x
  2. Step 2: Convert to fraction form
    83,827.46/125,823.84 = 61,578.38/x
  3. Step 3: Cross multiply
    83,827.46x = 125,823.84 × 61,578.38
  4. Step 4: Simplify right side
    83,827.46x = 7,748,028,232.58
  5. Step 5: Solve for x
    x = 7,748,028,232.58/83,827.46
  6. Step 6: Final answer
    x = 92,428.28

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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.