Home / 97,921.17-135,121.01-57,632.49

Finding the Fourth Proportional to 97,921.17, 135,121.01 and 57,632.49

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Solution

The fourth proportional to 97,921.17, 135,121.01 and 57,632.49 is: 79,526.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,921.17 : 135,121.01 = 57,632.49 : x
  2. Step 2: Convert to fraction form
    97,921.17/135,121.01 = 57,632.49/x
  3. Step 3: Cross multiply
    97,921.17x = 135,121.01 × 57,632.49
  4. Step 4: Simplify right side
    97,921.17x = 7,787,359,969.45
  5. Step 5: Solve for x
    x = 7,787,359,969.45/97,921.17
  6. Step 6: Final answer
    x = 79,526.83

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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.