Home / 94,083.74-129,943.31-61,961.95

Finding the Fourth Proportional to 94,083.74, 129,943.31 and 61,961.95

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Solution

The fourth proportional to 94,083.74, 129,943.31 and 61,961.95 is: 85,578.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,083.74 : 129,943.31 = 61,961.95 : x
  2. Step 2: Convert to fraction form
    94,083.74/129,943.31 = 61,961.95/x
  3. Step 3: Cross multiply
    94,083.74x = 129,943.31 × 61,961.95
  4. Step 4: Simplify right side
    94,083.74x = 8,051,540,707.10
  5. Step 5: Solve for x
    x = 8,051,540,707.10/94,083.74
  6. Step 6: Final answer
    x = 85,578.46

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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.