Home / 97,565.94-134,633.61-55,128.42

Finding the Fourth Proportional to 97,565.94, 134,633.61 and 55,128.42

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Solution

The fourth proportional to 97,565.94, 134,633.61 and 55,128.42 is: 76,073.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,565.94 : 134,633.61 = 55,128.42 : x
  2. Step 2: Convert to fraction form
    97,565.94/134,633.61 = 55,128.42/x
  3. Step 3: Cross multiply
    97,565.94x = 134,633.61 × 55,128.42
  4. Step 4: Simplify right side
    97,565.94x = 7,422,138,198.20
  5. Step 5: Solve for x
    x = 7,422,138,198.20/97,565.94
  6. Step 6: Final answer
    x = 76,073.05

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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.