Home / 84,616.31-116,766.50-50,643.51

Finding the Fourth Proportional to 84,616.31, 116,766.50 and 50,643.51

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Solution

The fourth proportional to 84,616.31, 116,766.50 and 50,643.51 is: 69,885.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,616.31 : 116,766.50 = 50,643.51 : x
  2. Step 2: Convert to fraction form
    84,616.31/116,766.50 = 50,643.51/x
  3. Step 3: Cross multiply
    84,616.31x = 116,766.50 × 50,643.51
  4. Step 4: Simplify right side
    84,616.31x = 5,913,465,157.20
  5. Step 5: Solve for x
    x = 5,913,465,157.20/84,616.31
  6. Step 6: Final answer
    x = 69,885.65

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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.