Home / 74,826.60-103,278.38-43,013.95

Finding the Fourth Proportional to 74,826.60, 103,278.38 and 43,013.95

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Solution

The fourth proportional to 74,826.60, 103,278.38 and 43,013.95 is: 59,369.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,826.60 : 103,278.38 = 43,013.95 : x
  2. Step 2: Convert to fraction form
    74,826.60/103,278.38 = 43,013.95/x
  3. Step 3: Cross multiply
    74,826.60x = 103,278.38 × 43,013.95
  4. Step 4: Simplify right side
    74,826.60x = 4,442,411,073.40
  5. Step 5: Solve for x
    x = 4,442,411,073.40/74,826.60
  6. Step 6: Final answer
    x = 59,369.41

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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.