Home / 84,212.55-126,255.60-50,925.78

Finding the Fourth Proportional to 84,212.55, 126,255.60 and 50,925.78

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Solution

The fourth proportional to 84,212.55, 126,255.60 and 50,925.78 is: 76,350.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,212.55 : 126,255.60 = 50,925.78 : x
  2. Step 2: Convert to fraction form
    84,212.55/126,255.60 = 50,925.78/x
  3. Step 3: Cross multiply
    84,212.55x = 126,255.60 × 50,925.78
  4. Step 4: Simplify right side
    84,212.55x = 6,429,664,909.37
  5. Step 5: Solve for x
    x = 6,429,664,909.37/84,212.55
  6. Step 6: Final answer
    x = 76,350.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.