Home / 80,869.44-111,598.32-45,058.68

Finding the Fourth Proportional to 80,869.44, 111,598.32 and 45,058.68

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Solution

The fourth proportional to 80,869.44, 111,598.32 and 45,058.68 is: 62,180.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,869.44 : 111,598.32 = 45,058.68 : x
  2. Step 2: Convert to fraction form
    80,869.44/111,598.32 = 45,058.68/x
  3. Step 3: Cross multiply
    80,869.44x = 111,598.32 × 45,058.68
  4. Step 4: Simplify right side
    80,869.44x = 5,028,473,158.39
  5. Step 5: Solve for x
    x = 5,028,473,158.39/80,869.44
  6. Step 6: Final answer
    x = 62,180.14

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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.