Home / 48,073.91-72,138.20-25,886.79

Finding the Fourth Proportional to 48,073.91, 72,138.20 and 25,886.79

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Solution

The fourth proportional to 48,073.91, 72,138.20 and 25,886.79 is: 38,844.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,073.91 : 72,138.20 = 25,886.79 : x
  2. Step 2: Convert to fraction form
    48,073.91/72,138.20 = 25,886.79/x
  3. Step 3: Cross multiply
    48,073.91x = 72,138.20 × 25,886.79
  4. Step 4: Simplify right side
    48,073.91x = 1,867,426,304.94
  5. Step 5: Solve for x
    x = 1,867,426,304.94/48,073.91
  6. Step 6: Final answer
    x = 38,844.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.