Home / 83,671.75-115,467.83-45,946.81

Finding the Fourth Proportional to 83,671.75, 115,467.83 and 45,946.81

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Solution

The fourth proportional to 83,671.75, 115,467.83 and 45,946.81 is: 63,407.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,671.75 : 115,467.83 = 45,946.81 : x
  2. Step 2: Convert to fraction form
    83,671.75/115,467.83 = 45,946.81/x
  3. Step 3: Cross multiply
    83,671.75x = 115,467.83 × 45,946.81
  4. Step 4: Simplify right side
    83,671.75x = 5,305,378,446.12
  5. Step 5: Solve for x
    x = 5,305,378,446.12/83,671.75
  6. Step 6: Final answer
    x = 63,407.05

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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.