Home / 97,838.28-135,009.18-57,553.56

Finding the Fourth Proportional to 97,838.28, 135,009.18 and 57,553.56

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Solution

The fourth proportional to 97,838.28, 135,009.18 and 57,553.56 is: 79,419.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,838.28 : 135,009.18 = 57,553.56 : x
  2. Step 2: Convert to fraction form
    97,838.28/135,009.18 = 57,553.56/x
  3. Step 3: Cross multiply
    97,838.28x = 135,009.18 × 57,553.56
  4. Step 4: Simplify right side
    97,838.28x = 7,770,258,941.68
  5. Step 5: Solve for x
    x = 7,770,258,941.68/97,838.28
  6. Step 6: Final answer
    x = 79,419.41

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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.