Home / 88,334.23-121,904.47-50,615.77

Finding the Fourth Proportional to 88,334.23, 121,904.47 and 50,615.77

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Solution

The fourth proportional to 88,334.23, 121,904.47 and 50,615.77 is: 69,851.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,334.23 : 121,904.47 = 50,615.77 : x
  2. Step 2: Convert to fraction form
    88,334.23/121,904.47 = 50,615.77/x
  3. Step 3: Cross multiply
    88,334.23x = 121,904.47 × 50,615.77
  4. Step 4: Simplify right side
    88,334.23x = 6,170,288,615.49
  5. Step 5: Solve for x
    x = 6,170,288,615.49/88,334.23
  6. Step 6: Final answer
    x = 69,851.61

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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.