Home / 88,343.94-121,912.44-50,615.76

Finding the Fourth Proportional to 88,343.94, 121,912.44 and 50,615.76

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Solution

The fourth proportional to 88,343.94, 121,912.44 and 50,615.76 is: 69,848.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,343.94 : 121,912.44 = 50,615.76 : x
  2. Step 2: Convert to fraction form
    88,343.94/121,912.44 = 50,615.76/x
  3. Step 3: Cross multiply
    88,343.94x = 121,912.44 × 50,615.76
  4. Step 4: Simplify right side
    88,343.94x = 6,170,690,804.05
  5. Step 5: Solve for x
    x = 6,170,690,804.05/88,343.94
  6. Step 6: Final answer
    x = 69,848.49

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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.