Home / 80,420.29-110,993.31-44,621.83

Finding the Fourth Proportional to 80,420.29, 110,993.31 and 44,621.83

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Solution

The fourth proportional to 80,420.29, 110,993.31 and 44,621.83 is: 61,585.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,420.29 : 110,993.31 = 44,621.83 : x
  2. Step 2: Convert to fraction form
    80,420.29/110,993.31 = 44,621.83/x
  3. Step 3: Cross multiply
    80,420.29x = 110,993.31 × 44,621.83
  4. Step 4: Simplify right side
    80,420.29x = 4,952,724,748.70
  5. Step 5: Solve for x
    x = 4,952,724,748.70/80,420.29
  6. Step 6: Final answer
    x = 61,585.51

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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.