Home / 97,727.76-134,862.96-54,708.72

Finding the Fourth Proportional to 97,727.76, 134,862.96 and 54,708.72

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Solution

The fourth proportional to 97,727.76, 134,862.96 and 54,708.72 is: 75,497.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,727.76 : 134,862.96 = 54,708.72 : x
  2. Step 2: Convert to fraction form
    97,727.76/134,862.96 = 54,708.72/x
  3. Step 3: Cross multiply
    97,727.76x = 134,862.96 × 54,708.72
  4. Step 4: Simplify right side
    97,727.76x = 7,378,179,917.01
  5. Step 5: Solve for x
    x = 7,378,179,917.01/97,727.76
  6. Step 6: Final answer
    x = 75,497.28

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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.