Home / 73,121.22-100,915.74-44,442.36

Finding the Fourth Proportional to 73,121.22, 100,915.74 and 44,442.36

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Solution

The fourth proportional to 73,121.22, 100,915.74 and 44,442.36 is: 61,335.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,121.22 : 100,915.74 = 44,442.36 : x
  2. Step 2: Convert to fraction form
    73,121.22/100,915.74 = 44,442.36/x
  3. Step 3: Cross multiply
    73,121.22x = 100,915.74 × 44,442.36
  4. Step 4: Simplify right side
    73,121.22x = 4,484,933,646.75
  5. Step 5: Solve for x
    x = 4,484,933,646.75/73,121.22
  6. Step 6: Final answer
    x = 61,335.60

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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.