Home / 72,936.39-100,613.65-50,236.34

Finding the Fourth Proportional to 72,936.39, 100,613.65 and 50,236.34

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Solution

The fourth proportional to 72,936.39, 100,613.65 and 50,236.34 is: 69,299.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,936.39 : 100,613.65 = 50,236.34 : x
  2. Step 2: Convert to fraction form
    72,936.39/100,613.65 = 50,236.34/x
  3. Step 3: Cross multiply
    72,936.39x = 100,613.65 × 50,236.34
  4. Step 4: Simplify right side
    72,936.39x = 5,054,461,278.86
  5. Step 5: Solve for x
    x = 5,054,461,278.86/72,936.39
  6. Step 6: Final answer
    x = 69,299.58

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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.