Home / 49,079.46-67,730.13-27,858.90

Finding the Fourth Proportional to 49,079.46, 67,730.13 and 27,858.90

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Solution

The fourth proportional to 49,079.46, 67,730.13 and 27,858.90 is: 38,445.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,079.46 : 67,730.13 = 27,858.90 : x
  2. Step 2: Convert to fraction form
    49,079.46/67,730.13 = 27,858.90/x
  3. Step 3: Cross multiply
    49,079.46x = 67,730.13 × 27,858.90
  4. Step 4: Simplify right side
    49,079.46x = 1,886,886,918.66
  5. Step 5: Solve for x
    x = 1,886,886,918.66/49,079.46
  6. Step 6: Final answer
    x = 38,445.55

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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.