Home / 84,217.20-116,214.78-45,969.18

Finding the Fourth Proportional to 84,217.20, 116,214.78 and 45,969.18

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Solution

The fourth proportional to 84,217.20, 116,214.78 and 45,969.18 is: 63,434.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,217.20 : 116,214.78 = 45,969.18 : x
  2. Step 2: Convert to fraction form
    84,217.20/116,214.78 = 45,969.18/x
  3. Step 3: Cross multiply
    84,217.20x = 116,214.78 × 45,969.18
  4. Step 4: Simplify right side
    84,217.20x = 5,342,298,140.48
  5. Step 5: Solve for x
    x = 5,342,298,140.48/84,217.20
  6. Step 6: Final answer
    x = 63,434.76

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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.