Home / 65,748.58-98,593.71-40,787.62

Finding the Fourth Proportional to 65,748.58, 98,593.71 and 40,787.62

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Solution

The fourth proportional to 65,748.58, 98,593.71 and 40,787.62 is: 61,163.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,748.58 : 98,593.71 = 40,787.62 : x
  2. Step 2: Convert to fraction form
    65,748.58/98,593.71 = 40,787.62/x
  3. Step 3: Cross multiply
    65,748.58x = 98,593.71 × 40,787.62
  4. Step 4: Simplify right side
    65,748.58x = 4,021,402,777.87
  5. Step 5: Solve for x
    x = 4,021,402,777.87/65,748.58
  6. Step 6: Final answer
    x = 61,163.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.