Home / 65,987.19-91,061.33-35,771.99

Finding the Fourth Proportional to 65,987.19, 91,061.33 and 35,771.99

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Solution

The fourth proportional to 65,987.19, 91,061.33 and 35,771.99 is: 49,364.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,987.19 : 91,061.33 = 35,771.99 : x
  2. Step 2: Convert to fraction form
    65,987.19/91,061.33 = 35,771.99/x
  3. Step 3: Cross multiply
    65,987.19x = 91,061.33 × 35,771.99
  4. Step 4: Simplify right side
    65,987.19x = 3,257,444,351.98
  5. Step 5: Solve for x
    x = 3,257,444,351.98/65,987.19
  6. Step 6: Final answer
    x = 49,364.80

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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.