Home / 98,077.29-135,342.68-55,634.91

Finding the Fourth Proportional to 98,077.29, 135,342.68 and 55,634.91

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Solution

The fourth proportional to 98,077.29, 135,342.68 and 55,634.91 is: 76,773.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,077.29 : 135,342.68 = 55,634.91 : x
  2. Step 2: Convert to fraction form
    98,077.29/135,342.68 = 55,634.91/x
  3. Step 3: Cross multiply
    98,077.29x = 135,342.68 × 55,634.91
  4. Step 4: Simplify right side
    98,077.29x = 7,529,777,542.78
  5. Step 5: Solve for x
    x = 7,529,777,542.78/98,077.29
  6. Step 6: Final answer
    x = 76,773.92

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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.