Home / 81,119.08-111,945.19-44,819.63

Finding the Fourth Proportional to 81,119.08, 111,945.19 and 44,819.63

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Solution

The fourth proportional to 81,119.08, 111,945.19 and 44,819.63 is: 61,851.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,119.08 : 111,945.19 = 44,819.63 : x
  2. Step 2: Convert to fraction form
    81,119.08/111,945.19 = 44,819.63/x
  3. Step 3: Cross multiply
    81,119.08x = 111,945.19 × 44,819.63
  4. Step 4: Simplify right side
    81,119.08x = 5,017,341,748.65
  5. Step 5: Solve for x
    x = 5,017,341,748.65/81,119.08
  6. Step 6: Final answer
    x = 61,851.56

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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.