Home / 97,816.97-134,988-57,532.43

Finding the Fourth Proportional to 97,816.97, 134,988 and 57,532.43

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Solution

The fourth proportional to 97,816.97, 134,988 and 57,532.43 is: 79,395.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,816.97 : 134,988 = 57,532.43 : x
  2. Step 2: Convert to fraction form
    97,816.97/134,988 = 57,532.43/x
  3. Step 3: Cross multiply
    97,816.97x = 134,988 × 57,532.43
  4. Step 4: Simplify right side
    97,816.97x = 7,766,187,660.84
  5. Step 5: Solve for x
    x = 7,766,187,660.84/97,816.97
  6. Step 6: Final answer
    x = 79,395.10

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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.