Home / 97,969.92-135,229.04-57,680.48

Finding the Fourth Proportional to 97,969.92, 135,229.04 and 57,680.48

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Solution

The fourth proportional to 97,969.92, 135,229.04 and 57,680.48 is: 79,617.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,969.92 : 135,229.04 = 57,680.48 : x
  2. Step 2: Convert to fraction form
    97,969.92/135,229.04 = 57,680.48/x
  3. Step 3: Cross multiply
    97,969.92x = 135,229.04 × 57,680.48
  4. Step 4: Simplify right side
    97,969.92x = 7,800,075,937.14
  5. Step 5: Solve for x
    x = 7,800,075,937.14/97,969.92
  6. Step 6: Final answer
    x = 79,617.05

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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.