Home / 48,139.46-66,435.52-26,918.72

Finding the Fourth Proportional to 48,139.46, 66,435.52 and 26,918.72

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Solution

The fourth proportional to 48,139.46, 66,435.52 and 26,918.72 is: 37,149.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,139.46 : 66,435.52 = 26,918.72 : x
  2. Step 2: Convert to fraction form
    48,139.46/66,435.52 = 26,918.72/x
  3. Step 3: Cross multiply
    48,139.46x = 66,435.52 × 26,918.72
  4. Step 4: Simplify right side
    48,139.46x = 1,788,359,160.93
  5. Step 5: Solve for x
    x = 1,788,359,160.93/48,139.46
  6. Step 6: Final answer
    x = 37,149.55

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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.