Home / 83,974.20-115,884.36-46,248

Finding the Fourth Proportional to 83,974.20, 115,884.36 and 46,248

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Solution

The fourth proportional to 83,974.20, 115,884.36 and 46,248 is: 63,822.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,974.20 : 115,884.36 = 46,248 : x
  2. Step 2: Convert to fraction form
    83,974.20/115,884.36 = 46,248/x
  3. Step 3: Cross multiply
    83,974.20x = 115,884.36 × 46,248
  4. Step 4: Simplify right side
    83,974.20x = 5,359,419,881.28
  5. Step 5: Solve for x
    x = 5,359,419,881.28/83,974.20
  6. Step 6: Final answer
    x = 63,822.22

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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.