Home / 99,067.66-136,713.35-56,627.10

Finding the Fourth Proportional to 99,067.66, 136,713.35 and 56,627.10

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Solution

The fourth proportional to 99,067.66, 136,713.35 and 56,627.10 is: 78,145.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,067.66 : 136,713.35 = 56,627.10 : x
  2. Step 2: Convert to fraction form
    99,067.66/136,713.35 = 56,627.10/x
  3. Step 3: Cross multiply
    99,067.66x = 136,713.35 × 56,627.10
  4. Step 4: Simplify right side
    99,067.66x = 7,741,680,683.35
  5. Step 5: Solve for x
    x = 7,741,680,683.35/99,067.66
  6. Step 6: Final answer
    x = 78,145.39

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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.