Home / 48,351.78-66,726.72-31,363.02

Finding the Fourth Proportional to 48,351.78, 66,726.72 and 31,363.02

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Solution

The fourth proportional to 48,351.78, 66,726.72 and 31,363.02 is: 43,281.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,351.78 : 66,726.72 = 31,363.02 : x
  2. Step 2: Convert to fraction form
    48,351.78/66,726.72 = 31,363.02/x
  3. Step 3: Cross multiply
    48,351.78x = 66,726.72 × 31,363.02
  4. Step 4: Simplify right side
    48,351.78x = 2,092,751,453.89
  5. Step 5: Solve for x
    x = 2,092,751,453.89/48,351.78
  6. Step 6: Final answer
    x = 43,281.79

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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.