Home / 83,410.59-115,106.91-45,170.14

Finding the Fourth Proportional to 83,410.59, 115,106.91 and 45,170.14

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Solution

The fourth proportional to 83,410.59, 115,106.91 and 45,170.14 is: 62,334.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,410.59 : 115,106.91 = 45,170.14 : x
  2. Step 2: Convert to fraction form
    83,410.59/115,106.91 = 45,170.14/x
  3. Step 3: Cross multiply
    83,410.59x = 115,106.91 × 45,170.14
  4. Step 4: Simplify right side
    83,410.59x = 5,199,395,239.67
  5. Step 5: Solve for x
    x = 5,199,395,239.67/83,410.59
  6. Step 6: Final answer
    x = 62,334.95

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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.