Home / 83,357.28-115,070.58-53,183.16

Finding the Fourth Proportional to 83,357.28, 115,070.58 and 53,183.16

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Solution

The fourth proportional to 83,357.28, 115,070.58 and 53,183.16 is: 73,416.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,357.28 : 115,070.58 = 53,183.16 : x
  2. Step 2: Convert to fraction form
    83,357.28/115,070.58 = 53,183.16/x
  3. Step 3: Cross multiply
    83,357.28x = 115,070.58 × 53,183.16
  4. Step 4: Simplify right side
    83,357.28x = 6,119,817,067.43
  5. Step 5: Solve for x
    x = 6,119,817,067.43/83,357.28
  6. Step 6: Final answer
    x = 73,416.71

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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.