Home / 48,609.11-67,111.54-39,677.85

Finding the Fourth Proportional to 48,609.11, 67,111.54 and 39,677.85

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Solution

The fourth proportional to 48,609.11, 67,111.54 and 39,677.85 is: 54,780.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,609.11 : 67,111.54 = 39,677.85 : x
  2. Step 2: Convert to fraction form
    48,609.11/67,111.54 = 39,677.85/x
  3. Step 3: Cross multiply
    48,609.11x = 67,111.54 × 39,677.85
  4. Step 4: Simplify right side
    48,609.11x = 2,662,841,518.19
  5. Step 5: Solve for x
    x = 2,662,841,518.19/48,609.11
  6. Step 6: Final answer
    x = 54,780.71

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1.5x scale

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.