Home / 108,467.55-149,684.07-60,721.29

Finding the Fourth Proportional to 108,467.55, 149,684.07 and 60,721.29

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Solution

The fourth proportional to 108,467.55, 149,684.07 and 60,721.29 is: 83,794.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,467.55 : 149,684.07 = 60,721.29 : x
  2. Step 2: Convert to fraction form
    108,467.55/149,684.07 = 60,721.29/x
  3. Step 3: Cross multiply
    108,467.55x = 149,684.07 × 60,721.29
  4. Step 4: Simplify right side
    108,467.55x = 9,089,009,822.85
  5. Step 5: Solve for x
    x = 9,089,009,822.85/108,467.55
  6. Step 6: Final answer
    x = 83,794.74

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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.