Home / 91,864.61-137,556.34-60,174.98

Finding the Fourth Proportional to 91,864.61, 137,556.34 and 60,174.98

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Solution

The fourth proportional to 91,864.61, 137,556.34 and 60,174.98 is: 90,104.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,864.61 : 137,556.34 = 60,174.98 : x
  2. Step 2: Convert to fraction form
    91,864.61/137,556.34 = 60,174.98/x
  3. Step 3: Cross multiply
    91,864.61x = 137,556.34 × 60,174.98
  4. Step 4: Simplify right side
    91,864.61x = 8,277,450,008.37
  5. Step 5: Solve for x
    x = 8,277,450,008.37/91,864.61
  6. Step 6: Final answer
    x = 90,104.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.