Home / 65,943.77-98,811.92-50,987.42

Finding the Fourth Proportional to 65,943.77, 98,811.92 and 50,987.42

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Solution

The fourth proportional to 65,943.77, 98,811.92 and 50,987.42 is: 76,400.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,943.77 : 98,811.92 = 50,987.42 : x
  2. Step 2: Convert to fraction form
    65,943.77/98,811.92 = 50,987.42/x
  3. Step 3: Cross multiply
    65,943.77x = 98,811.92 × 50,987.42
  4. Step 4: Simplify right side
    65,943.77x = 5,038,164,611.11
  5. Step 5: Solve for x
    x = 5,038,164,611.11/65,943.77
  6. Step 6: Final answer
    x = 76,400.92

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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.