Home / 80,856.09-111,578.45-45,044.24

Finding the Fourth Proportional to 80,856.09, 111,578.45 and 45,044.24

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Solution

The fourth proportional to 80,856.09, 111,578.45 and 45,044.24 is: 62,159.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,856.09 : 111,578.45 = 45,044.24 : x
  2. Step 2: Convert to fraction form
    80,856.09/111,578.45 = 45,044.24/x
  3. Step 3: Cross multiply
    80,856.09x = 111,578.45 × 45,044.24
  4. Step 4: Simplify right side
    80,856.09x = 5,025,965,697.51
  5. Step 5: Solve for x
    x = 5,025,965,697.51/80,856.09
  6. Step 6: Final answer
    x = 62,159.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.