Home / 80,948.96-111,710.20-45,141.29

Finding the Fourth Proportional to 80,948.96, 111,710.20 and 45,141.29

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Solution

The fourth proportional to 80,948.96, 111,710.20 and 45,141.29 is: 62,295.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,948.96 : 111,710.20 = 45,141.29 : x
  2. Step 2: Convert to fraction form
    80,948.96/111,710.20 = 45,141.29/x
  3. Step 3: Cross multiply
    80,948.96x = 111,710.20 × 45,141.29
  4. Step 4: Simplify right side
    80,948.96x = 5,042,742,534.16
  5. Step 5: Solve for x
    x = 5,042,742,534.16/80,948.96
  6. Step 6: Final answer
    x = 62,295.33

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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.