Home / 91,724.52-126,526.21-57,679.10

Finding the Fourth Proportional to 91,724.52, 126,526.21 and 57,679.10

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Solution

The fourth proportional to 91,724.52, 126,526.21 and 57,679.10 is: 79,563.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,724.52 : 126,526.21 = 57,679.10 : x
  2. Step 2: Convert to fraction form
    91,724.52/126,526.21 = 57,679.10/x
  3. Step 3: Cross multiply
    91,724.52x = 126,526.21 × 57,679.10
  4. Step 4: Simplify right side
    91,724.52x = 7,297,918,091.33
  5. Step 5: Solve for x
    x = 7,297,918,091.33/91,724.52
  6. Step 6: Final answer
    x = 79,563.44

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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.