Home / 88,343.43-121,911.75-50,615.25

Finding the Fourth Proportional to 88,343.43, 121,911.75 and 50,615.25

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Solution

The fourth proportional to 88,343.43, 121,911.75 and 50,615.25 is: 69,847.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,343.43 : 121,911.75 = 50,615.25 : x
  2. Step 2: Convert to fraction form
    88,343.43/121,911.75 = 50,615.25/x
  3. Step 3: Cross multiply
    88,343.43x = 121,911.75 × 50,615.25
  4. Step 4: Simplify right side
    88,343.43x = 6,170,593,704.19
  5. Step 5: Solve for x
    x = 6,170,593,704.19/88,343.43
  6. Step 6: Final answer
    x = 69,847.79

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1.5x scale

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.