Home / 97,947-135,179.28-54,943.02

Finding the Fourth Proportional to 97,947, 135,179.28 and 54,943.02

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Solution

The fourth proportional to 97,947, 135,179.28 and 54,943.02 is: 75,828.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,947 : 135,179.28 = 54,943.02 : x
  2. Step 2: Convert to fraction form
    97,947/135,179.28 = 54,943.02/x
  3. Step 3: Cross multiply
    97,947x = 135,179.28 × 54,943.02
  4. Step 4: Simplify right side
    97,947x = 7,427,157,884.63
  5. Step 5: Solve for x
    x = 7,427,157,884.63/97,947
  6. Step 6: Final answer
    x = 75,828.33

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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.