Home / 80,034.32-120,058.31-23,870.79

Finding the Fourth Proportional to 80,034.32, 120,058.31 and 23,870.79

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Solution

The fourth proportional to 80,034.32, 120,058.31 and 23,870.79 is: 35,808.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,034.32 : 120,058.31 = 23,870.79 : x
  2. Step 2: Convert to fraction form
    80,034.32/120,058.31 = 23,870.79/x
  3. Step 3: Cross multiply
    80,034.32x = 120,058.31 × 23,870.79
  4. Step 4: Simplify right side
    80,034.32x = 2,865,886,586.41
  5. Step 5: Solve for x
    x = 2,865,886,586.41/80,034.32
  6. Step 6: Final answer
    x = 35,808.22

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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.