Home / 98,320.23-135,661.55-57,476.43

Finding the Fourth Proportional to 98,320.23, 135,661.55 and 57,476.43

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Solution

The fourth proportional to 98,320.23, 135,661.55 and 57,476.43 is: 79,305.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,320.23 : 135,661.55 = 57,476.43 : x
  2. Step 2: Convert to fraction form
    98,320.23/135,661.55 = 57,476.43/x
  3. Step 3: Cross multiply
    98,320.23x = 135,661.55 × 57,476.43
  4. Step 4: Simplify right side
    98,320.23x = 7,797,341,294.88
  5. Step 5: Solve for x
    x = 7,797,341,294.88/98,320.23
  6. Step 6: Final answer
    x = 79,305.56

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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.