Home / 109,820.79-151,560.41-62,074.49

Finding the Fourth Proportional to 109,820.79, 151,560.41 and 62,074.49

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Solution

The fourth proportional to 109,820.79, 151,560.41 and 62,074.49 is: 85,667.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,820.79 : 151,560.41 = 62,074.49 : x
  2. Step 2: Convert to fraction form
    109,820.79/151,560.41 = 62,074.49/x
  3. Step 3: Cross multiply
    109,820.79x = 151,560.41 × 62,074.49
  4. Step 4: Simplify right side
    109,820.79x = 9,408,034,086.77
  5. Step 5: Solve for x
    x = 9,408,034,086.77/109,820.79
  6. Step 6: Final answer
    x = 85,667.15

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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.