Home / 50,871.09-70,187.76-40,082.51

Finding the Fourth Proportional to 50,871.09, 70,187.76 and 40,082.51

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Solution

The fourth proportional to 50,871.09, 70,187.76 and 40,082.51 is: 55,302.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,871.09 : 70,187.76 = 40,082.51 : x
  2. Step 2: Convert to fraction form
    50,871.09/70,187.76 = 40,082.51/x
  3. Step 3: Cross multiply
    50,871.09x = 70,187.76 × 40,082.51
  4. Step 4: Simplify right side
    50,871.09x = 2,813,301,241.14
  5. Step 5: Solve for x
    x = 2,813,301,241.14/50,871.09
  6. Step 6: Final answer
    x = 55,302.55

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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.