Home / 97,849.28-135,024.36-57,564.56

Finding the Fourth Proportional to 97,849.28, 135,024.36 and 57,564.56

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Solution

The fourth proportional to 97,849.28, 135,024.36 and 57,564.56 is: 79,434.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,849.28 : 135,024.36 = 57,564.56 : x
  2. Step 2: Convert to fraction form
    97,849.28/135,024.36 = 57,564.56/x
  3. Step 3: Cross multiply
    97,849.28x = 135,024.36 × 57,564.56
  4. Step 4: Simplify right side
    97,849.28x = 7,772,617,872.68
  5. Step 5: Solve for x
    x = 7,772,617,872.68/97,849.28
  6. Step 6: Final answer
    x = 79,434.59

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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.