Home / 80,581.44-111,185.28-47,032.32

Finding the Fourth Proportional to 80,581.44, 111,185.28 and 47,032.32

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Solution

The fourth proportional to 80,581.44, 111,185.28 and 47,032.32 is: 64,894.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,581.44 : 111,185.28 = 47,032.32 : x
  2. Step 2: Convert to fraction form
    80,581.44/111,185.28 = 47,032.32/x
  3. Step 3: Cross multiply
    80,581.44x = 111,185.28 × 47,032.32
  4. Step 4: Simplify right side
    80,581.44x = 5,229,301,668.25
  5. Step 5: Solve for x
    x = 5,229,301,668.25/80,581.44
  6. Step 6: Final answer
    x = 64,894.62

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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.