Home / 80,724.79-111,397.44-44,916.31

Finding the Fourth Proportional to 80,724.79, 111,397.44 and 44,916.31

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Solution

The fourth proportional to 80,724.79, 111,397.44 and 44,916.31 is: 61,982.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,724.79 : 111,397.44 = 44,916.31 : x
  2. Step 2: Convert to fraction form
    80,724.79/111,397.44 = 44,916.31/x
  3. Step 3: Cross multiply
    80,724.79x = 111,397.44 × 44,916.31
  4. Step 4: Simplify right side
    80,724.79x = 5,003,561,948.25
  5. Step 5: Solve for x
    x = 5,003,561,948.25/80,724.79
  6. Step 6: Final answer
    x = 61,982.97

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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.