Home / 69,971.79-96,560.33-38,140.01

Finding the Fourth Proportional to 69,971.79, 96,560.33 and 38,140.01

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Solution

The fourth proportional to 69,971.79, 96,560.33 and 38,140.01 is: 52,632.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,971.79 : 96,560.33 = 38,140.01 : x
  2. Step 2: Convert to fraction form
    69,971.79/96,560.33 = 38,140.01/x
  3. Step 3: Cross multiply
    69,971.79x = 96,560.33 × 38,140.01
  4. Step 4: Simplify right side
    69,971.79x = 3,682,811,951.80
  5. Step 5: Solve for x
    x = 3,682,811,951.80/69,971.79
  6. Step 6: Final answer
    x = 52,632.81

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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.