Home / 74,961.27-103,436.54-48,140.10

Finding the Fourth Proportional to 74,961.27, 103,436.54 and 48,140.10

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Solution

The fourth proportional to 74,961.27, 103,436.54 and 48,140.10 is: 66,426.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,961.27 : 103,436.54 = 48,140.10 : x
  2. Step 2: Convert to fraction form
    74,961.27/103,436.54 = 48,140.10/x
  3. Step 3: Cross multiply
    74,961.27x = 103,436.54 × 48,140.10
  4. Step 4: Simplify right side
    74,961.27x = 4,979,445,379.25
  5. Step 5: Solve for x
    x = 4,979,445,379.25/74,961.27
  6. Step 6: Final answer
    x = 66,426.91

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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.