Home / 83,410.49-115,106.54-45,170.34

Finding the Fourth Proportional to 83,410.49, 115,106.54 and 45,170.34

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Solution

The fourth proportional to 83,410.49, 115,106.54 and 45,170.34 is: 62,335.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,410.49 : 115,106.54 = 45,170.34 : x
  2. Step 2: Convert to fraction form
    83,410.49/115,106.54 = 45,170.34/x
  3. Step 3: Cross multiply
    83,410.49x = 115,106.54 × 45,170.34
  4. Step 4: Simplify right side
    83,410.49x = 5,199,401,660.95
  5. Step 5: Solve for x
    x = 5,199,401,660.95/83,410.49
  6. Step 6: Final answer
    x = 62,335.10

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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.