Home / 73,721.10-110,581.65-18,317.10

Finding the Fourth Proportional to 73,721.10, 110,581.65 and 18,317.10

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Solution

The fourth proportional to 73,721.10, 110,581.65 and 18,317.10 is: 27,475.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,721.10 : 110,581.65 = 18,317.10 : x
  2. Step 2: Convert to fraction form
    73,721.10/110,581.65 = 18,317.10/x
  3. Step 3: Cross multiply
    73,721.10x = 110,581.65 × 18,317.10
  4. Step 4: Simplify right side
    73,721.10x = 2,025,535,141.22
  5. Step 5: Solve for x
    x = 2,025,535,141.22/73,721.10
  6. Step 6: Final answer
    x = 27,475.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.