Home / 65,788.47-90,787.89-35,573.58

Finding the Fourth Proportional to 65,788.47, 90,787.89 and 35,573.58

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Solution

The fourth proportional to 65,788.47, 90,787.89 and 35,573.58 is: 49,091.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,788.47 : 90,787.89 = 35,573.58 : x
  2. Step 2: Convert to fraction form
    65,788.47/90,787.89 = 35,573.58/x
  3. Step 3: Cross multiply
    65,788.47x = 90,787.89 × 35,573.58
  4. Step 4: Simplify right side
    65,788.47x = 3,229,650,267.95
  5. Step 5: Solve for x
    x = 3,229,650,267.95/65,788.47
  6. Step 6: Final answer
    x = 49,091.43

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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.