Home / 97,836.78-135,007.11-57,552.06

Finding the Fourth Proportional to 97,836.78, 135,007.11 and 57,552.06

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Solution

The fourth proportional to 97,836.78, 135,007.11 and 57,552.06 is: 79,417.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,836.78 : 135,007.11 = 57,552.06 : x
  2. Step 2: Convert to fraction form
    97,836.78/135,007.11 = 57,552.06/x
  3. Step 3: Cross multiply
    97,836.78x = 135,007.11 × 57,552.06
  4. Step 4: Simplify right side
    97,836.78x = 7,769,937,295.15
  5. Step 5: Solve for x
    x = 7,769,937,295.15/97,836.78
  6. Step 6: Final answer
    x = 79,417.34

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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.