Home / 91,606.98-137,388.36-38,270.14

Finding the Fourth Proportional to 91,606.98, 137,388.36 and 38,270.14

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Solution

The fourth proportional to 91,606.98, 137,388.36 and 38,270.14 is: 57,395.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,606.98 : 137,388.36 = 38,270.14 : x
  2. Step 2: Convert to fraction form
    91,606.98/137,388.36 = 38,270.14/x
  3. Step 3: Cross multiply
    91,606.98x = 137,388.36 × 38,270.14
  4. Step 4: Simplify right side
    91,606.98x = 5,257,871,771.57
  5. Step 5: Solve for x
    x = 5,257,871,771.57/91,606.98
  6. Step 6: Final answer
    x = 57,395.97

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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.