Home / 72,750.36-109,121.00-34,826.55

Finding the Fourth Proportional to 72,750.36, 109,121.00 and 34,826.55

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Solution

The fourth proportional to 72,750.36, 109,121.00 and 34,826.55 is: 52,237.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,750.36 : 109,121.00 = 34,826.55 : x
  2. Step 2: Convert to fraction form
    72,750.36/109,121.00 = 34,826.55/x
  3. Step 3: Cross multiply
    72,750.36x = 109,121.00 × 34,826.55
  4. Step 4: Simplify right side
    72,750.36x = 3,800,307,788.42
  5. Step 5: Solve for x
    x = 3,800,307,788.42/72,750.36
  6. Step 6: Final answer
    x = 52,237.65

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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.