Home / 80,875.19-111,606.24-45,064.43

Finding the Fourth Proportional to 80,875.19, 111,606.24 and 45,064.43

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Solution

The fourth proportional to 80,875.19, 111,606.24 and 45,064.43 is: 62,188.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,875.19 : 111,606.24 = 45,064.43 : x
  2. Step 2: Convert to fraction form
    80,875.19/111,606.24 = 45,064.43/x
  3. Step 3: Cross multiply
    80,875.19x = 111,606.24 × 45,064.43
  4. Step 4: Simplify right side
    80,875.19x = 5,029,471,590.04
  5. Step 5: Solve for x
    x = 5,029,471,590.04/80,875.19
  6. Step 6: Final answer
    x = 62,188.07

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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.