Home / 77,989.20-107,638.33-44,007.32

Finding the Fourth Proportional to 77,989.20, 107,638.33 and 44,007.32

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Solution

The fourth proportional to 77,989.20, 107,638.33 and 44,007.32 is: 60,737.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,989.20 : 107,638.33 = 44,007.32 : x
  2. Step 2: Convert to fraction form
    77,989.20/107,638.33 = 44,007.32/x
  3. Step 3: Cross multiply
    77,989.20x = 107,638.33 × 44,007.32
  4. Step 4: Simplify right side
    77,989.20x = 4,736,874,701.67
  5. Step 5: Solve for x
    x = 4,736,874,701.67/77,989.20
  6. Step 6: Final answer
    x = 60,737.57

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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.