Home / 67,787.19-93,524.92-39,102.99

Finding the Fourth Proportional to 67,787.19, 93,524.92 and 39,102.99

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Solution

The fourth proportional to 67,787.19, 93,524.92 and 39,102.99 is: 53,949.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,787.19 : 93,524.92 = 39,102.99 : x
  2. Step 2: Convert to fraction form
    67,787.19/93,524.92 = 39,102.99/x
  3. Step 3: Cross multiply
    67,787.19x = 93,524.92 × 39,102.99
  4. Step 4: Simplify right side
    67,787.19x = 3,657,104,011.51
  5. Step 5: Solve for x
    x = 3,657,104,011.51/67,787.19
  6. Step 6: Final answer
    x = 53,949.78

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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.