Home / 97,882.07-135,086.74-54,868.87

Finding the Fourth Proportional to 97,882.07, 135,086.74 and 54,868.87

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Solution

The fourth proportional to 97,882.07, 135,086.74 and 54,868.87 is: 75,724.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,882.07 : 135,086.74 = 54,868.87 : x
  2. Step 2: Convert to fraction form
    97,882.07/135,086.74 = 54,868.87/x
  3. Step 3: Cross multiply
    97,882.07x = 135,086.74 × 54,868.87
  4. Step 4: Simplify right side
    97,882.07x = 7,412,056,427.54
  5. Step 5: Solve for x
    x = 7,412,056,427.54/97,882.07
  6. Step 6: Final answer
    x = 75,724.35

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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.