Home / 83,410.58-115,106.91-45,170.15

Finding the Fourth Proportional to 83,410.58, 115,106.91 and 45,170.15

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Solution

The fourth proportional to 83,410.58, 115,106.91 and 45,170.15 is: 62,334.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,410.58 : 115,106.91 = 45,170.15 : x
  2. Step 2: Convert to fraction form
    83,410.58/115,106.91 = 45,170.15/x
  3. Step 3: Cross multiply
    83,410.58x = 115,106.91 × 45,170.15
  4. Step 4: Simplify right side
    83,410.58x = 5,199,396,390.74
  5. Step 5: Solve for x
    x = 5,199,396,390.74/83,410.58
  6. Step 6: Final answer
    x = 62,334.97

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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.