Home / 60,788.12-83,787.19-40,637.66

Finding the Fourth Proportional to 60,788.12, 83,787.19 and 40,637.66

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Solution

The fourth proportional to 60,788.12, 83,787.19 and 40,637.66 is: 56,012.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,788.12 : 83,787.19 = 40,637.66 : x
  2. Step 2: Convert to fraction form
    60,788.12/83,787.19 = 40,637.66/x
  3. Step 3: Cross multiply
    60,788.12x = 83,787.19 × 40,637.66
  4. Step 4: Simplify right side
    60,788.12x = 3,404,914,819.05
  5. Step 5: Solve for x
    x = 3,404,914,819.05/60,788.12
  6. Step 6: Final answer
    x = 56,012.84

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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.