Home / 72,913.24-109,122.90-44,851.06

Finding the Fourth Proportional to 72,913.24, 109,122.90 and 44,851.06

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Solution

The fourth proportional to 72,913.24, 109,122.90 and 44,851.06 is: 67,124.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,913.24 : 109,122.90 = 44,851.06 : x
  2. Step 2: Convert to fraction form
    72,913.24/109,122.90 = 44,851.06/x
  3. Step 3: Cross multiply
    72,913.24x = 109,122.90 × 44,851.06
  4. Step 4: Simplify right side
    72,913.24x = 4,894,277,735.27
  5. Step 5: Solve for x
    x = 4,894,277,735.27/72,913.24
  6. Step 6: Final answer
    x = 67,124.68

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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.