Home / 80,848.81-121,217.28-35,845.58

Finding the Fourth Proportional to 80,848.81, 121,217.28 and 35,845.58

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Solution

The fourth proportional to 80,848.81, 121,217.28 and 35,845.58 is: 53,743.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,848.81 : 121,217.28 = 35,845.58 : x
  2. Step 2: Convert to fraction form
    80,848.81/121,217.28 = 35,845.58/x
  3. Step 3: Cross multiply
    80,848.81x = 121,217.28 × 35,845.58
  4. Step 4: Simplify right side
    80,848.81x = 4,345,103,876.24
  5. Step 5: Solve for x
    x = 4,345,103,876.24/80,848.81
  6. Step 6: Final answer
    x = 53,743.57

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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.