Home / 60,319.44-90,493.06-20,876.55

Finding the Fourth Proportional to 60,319.44, 90,493.06 and 20,876.55

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Solution

The fourth proportional to 60,319.44, 90,493.06 and 20,876.55 is: 31,319.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,319.44 : 90,493.06 = 20,876.55 : x
  2. Step 2: Convert to fraction form
    60,319.44/90,493.06 = 20,876.55/x
  3. Step 3: Cross multiply
    60,319.44x = 90,493.06 × 20,876.55
  4. Step 4: Simplify right side
    60,319.44x = 1,889,182,787.36
  5. Step 5: Solve for x
    x = 1,889,182,787.36/60,319.44
  6. Step 6: Final answer
    x = 31,319.64

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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.