Home / 115,067.10-158,774.10-64,079.22

Finding the Fourth Proportional to 115,067.10, 158,774.10 and 64,079.22

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Solution

The fourth proportional to 115,067.10, 158,774.10 and 64,079.22 is: 88,419.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,067.10 : 158,774.10 = 64,079.22 : x
  2. Step 2: Convert to fraction form
    115,067.10/158,774.10 = 64,079.22/x
  3. Step 3: Cross multiply
    115,067.10x = 158,774.10 × 64,079.22
  4. Step 4: Simplify right side
    115,067.10x = 10,174,120,484.20
  5. Step 5: Solve for x
    x = 10,174,120,484.20/115,067.10
  6. Step 6: Final answer
    x = 88,419.02

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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.