Home / 48,115.20-66,399.36-26,895.36

Finding the Fourth Proportional to 48,115.20, 66,399.36 and 26,895.36

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Solution

The fourth proportional to 48,115.20, 66,399.36 and 26,895.36 is: 37,115.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,115.20 : 66,399.36 = 26,895.36 : x
  2. Step 2: Convert to fraction form
    48,115.20/66,399.36 = 26,895.36/x
  3. Step 3: Cross multiply
    48,115.20x = 66,399.36 × 26,895.36
  4. Step 4: Simplify right side
    48,115.20x = 1,785,834,690.97
  5. Step 5: Solve for x
    x = 1,785,834,690.97/48,115.20
  6. Step 6: Final answer
    x = 37,115.81

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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.