Home / 83,912.84-115,799.64-46,189.52

Finding the Fourth Proportional to 83,912.84, 115,799.64 and 46,189.52

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Solution

The fourth proportional to 83,912.84, 115,799.64 and 46,189.52 is: 63,741.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,912.84 : 115,799.64 = 46,189.52 : x
  2. Step 2: Convert to fraction form
    83,912.84/115,799.64 = 46,189.52/x
  3. Step 3: Cross multiply
    83,912.84x = 115,799.64 × 46,189.52
  4. Step 4: Simplify right side
    83,912.84x = 5,348,729,787.77
  5. Step 5: Solve for x
    x = 5,348,729,787.77/83,912.84
  6. Step 6: Final answer
    x = 63,741.49

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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.