Home / 83,210.14-114,816.72-47,400.85

Finding the Fourth Proportional to 83,210.14, 114,816.72 and 47,400.85

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Solution

The fourth proportional to 83,210.14, 114,816.72 and 47,400.85 is: 65,405.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,210.14 : 114,816.72 = 47,400.85 : x
  2. Step 2: Convert to fraction form
    83,210.14/114,816.72 = 47,400.85/x
  3. Step 3: Cross multiply
    83,210.14x = 114,816.72 × 47,400.85
  4. Step 4: Simplify right side
    83,210.14x = 5,442,410,122.21
  5. Step 5: Solve for x
    x = 5,442,410,122.21/83,210.14
  6. Step 6: Final answer
    x = 65,405.61

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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.