Home / 88,343.01-121,885.84-50,099.55

Finding the Fourth Proportional to 88,343.01, 121,885.84 and 50,099.55

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Solution

The fourth proportional to 88,343.01, 121,885.84 and 50,099.55 is: 69,121.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,343.01 : 121,885.84 = 50,099.55 : x
  2. Step 2: Convert to fraction form
    88,343.01/121,885.84 = 50,099.55/x
  3. Step 3: Cross multiply
    88,343.01x = 121,885.84 × 50,099.55
  4. Step 4: Simplify right side
    88,343.01x = 6,106,425,484.87
  5. Step 5: Solve for x
    x = 6,106,425,484.87/88,343.01
  6. Step 6: Final answer
    x = 69,121.78

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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.