Home / 74,265.58-102,459.62-48,785.65

Finding the Fourth Proportional to 74,265.58, 102,459.62 and 48,785.65

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Solution

The fourth proportional to 74,265.58, 102,459.62 and 48,785.65 is: 67,306.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,265.58 : 102,459.62 = 48,785.65 : x
  2. Step 2: Convert to fraction form
    74,265.58/102,459.62 = 48,785.65/x
  3. Step 3: Cross multiply
    74,265.58x = 102,459.62 × 48,785.65
  4. Step 4: Simplify right side
    74,265.58x = 4,998,559,160.45
  5. Step 5: Solve for x
    x = 4,998,559,160.45/74,265.58
  6. Step 6: Final answer
    x = 67,306.54

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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.