Home / 74,826.38-103,261-40,835.14

Finding the Fourth Proportional to 74,826.38, 103,261 and 40,835.14

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Solution

The fourth proportional to 74,826.38, 103,261 and 40,835.14 is: 56,352.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,826.38 : 103,261 = 40,835.14 : x
  2. Step 2: Convert to fraction form
    74,826.38/103,261 = 40,835.14/x
  3. Step 3: Cross multiply
    74,826.38x = 103,261 × 40,835.14
  4. Step 4: Simplify right side
    74,826.38x = 4,216,677,391.54
  5. Step 5: Solve for x
    x = 4,216,677,391.54/74,826.38
  6. Step 6: Final answer
    x = 56,352.82

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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.