Home / 101,468.79-151,981.74-61,905.96

Finding the Fourth Proportional to 101,468.79, 151,981.74 and 61,905.96

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Solution

The fourth proportional to 101,468.79, 151,981.74 and 61,905.96 is: 92,723.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,468.79 : 151,981.74 = 61,905.96 : x
  2. Step 2: Convert to fraction form
    101,468.79/151,981.74 = 61,905.96/x
  3. Step 3: Cross multiply
    101,468.79x = 151,981.74 × 61,905.96
  4. Step 4: Simplify right side
    101,468.79x = 9,408,575,517.17
  5. Step 5: Solve for x
    x = 9,408,575,517.17/101,468.79
  6. Step 6: Final answer
    x = 92,723.84

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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.