Home / 80,856.23-111,585.03-45,046.22

Finding the Fourth Proportional to 80,856.23, 111,585.03 and 45,046.22

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Solution

The fourth proportional to 80,856.23, 111,585.03 and 45,046.22 is: 62,165.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,856.23 : 111,585.03 = 45,046.22 : x
  2. Step 2: Convert to fraction form
    80,856.23/111,585.03 = 45,046.22/x
  3. Step 3: Cross multiply
    80,856.23x = 111,585.03 × 45,046.22
  4. Step 4: Simplify right side
    80,856.23x = 5,026,483,810.09
  5. Step 5: Solve for x
    x = 5,026,483,810.09/80,856.23
  6. Step 6: Final answer
    x = 62,165.70

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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.