Home / 88,256.50-121,710.15-58,067.44

Finding the Fourth Proportional to 88,256.50, 121,710.15 and 58,067.44

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Solution

The fourth proportional to 88,256.50, 121,710.15 and 58,067.44 is: 80,077.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,256.50 : 121,710.15 = 58,067.44 : x
  2. Step 2: Convert to fraction form
    88,256.50/121,710.15 = 58,067.44/x
  3. Step 3: Cross multiply
    88,256.50x = 121,710.15 × 58,067.44
  4. Step 4: Simplify right side
    88,256.50x = 7,067,396,832.52
  5. Step 5: Solve for x
    x = 7,067,396,832.52/88,256.50
  6. Step 6: Final answer
    x = 80,077.92

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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.