Home / 83,632.92-115,509.24-55,080.18

Finding the Fourth Proportional to 83,632.92, 115,509.24 and 55,080.18

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Solution

The fourth proportional to 83,632.92, 115,509.24 and 55,080.18 is: 76,073.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,632.92 : 115,509.24 = 55,080.18 : x
  2. Step 2: Convert to fraction form
    83,632.92/115,509.24 = 55,080.18/x
  3. Step 3: Cross multiply
    83,632.92x = 115,509.24 × 55,080.18
  4. Step 4: Simplify right side
    83,632.92x = 6,362,269,730.86
  5. Step 5: Solve for x
    x = 6,362,269,730.86/83,632.92
  6. Step 6: Final answer
    x = 76,073.75

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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.