Home / 88,911.36-122,722.56-51,200.64

Finding the Fourth Proportional to 88,911.36, 122,722.56 and 51,200.64

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Solution

The fourth proportional to 88,911.36, 122,722.56 and 51,200.64 is: 70,671.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,911.36 : 122,722.56 = 51,200.64 : x
  2. Step 2: Convert to fraction form
    88,911.36/122,722.56 = 51,200.64/x
  3. Step 3: Cross multiply
    88,911.36x = 122,722.56 × 51,200.64
  4. Step 4: Simplify right side
    88,911.36x = 6,283,473,614.44
  5. Step 5: Solve for x
    x = 6,283,473,614.44/88,911.36
  6. Step 6: Final answer
    x = 70,671.21

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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.