Home / 110,121.55-151,931.60-61,716.41

Finding the Fourth Proportional to 110,121.55, 151,931.60 and 61,716.41

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Solution

The fourth proportional to 110,121.55, 151,931.60 and 61,716.41 is: 85,148.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,121.55 : 151,931.60 = 61,716.41 : x
  2. Step 2: Convert to fraction form
    110,121.55/151,931.60 = 61,716.41/x
  3. Step 3: Cross multiply
    110,121.55x = 151,931.60 × 61,716.41
  4. Step 4: Simplify right side
    110,121.55x = 9,376,672,917.56
  5. Step 5: Solve for x
    x = 9,376,672,917.56/110,121.55
  6. Step 6: Final answer
    x = 85,148.39

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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.