Home / 74,265.08-102,458.93-48,785.15

Finding the Fourth Proportional to 74,265.08, 102,458.93 and 48,785.15

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Solution

The fourth proportional to 74,265.08, 102,458.93 and 48,785.15 is: 67,305.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,265.08 : 102,458.93 = 48,785.15 : x
  2. Step 2: Convert to fraction form
    74,265.08/102,458.93 = 48,785.15/x
  3. Step 3: Cross multiply
    74,265.08x = 102,458.93 × 48,785.15
  4. Step 4: Simplify right side
    74,265.08x = 4,998,474,268.89
  5. Step 5: Solve for x
    x = 4,998,474,268.89/74,265.08
  6. Step 6: Final answer
    x = 67,305.85

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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.