Home / 108,440.84-149,614.26-60,686.60

Finding the Fourth Proportional to 108,440.84, 149,614.26 and 60,686.60

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Solution

The fourth proportional to 108,440.84, 149,614.26 and 60,686.60 is: 83,728.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,440.84 : 149,614.26 = 60,686.60 : x
  2. Step 2: Convert to fraction form
    108,440.84/149,614.26 = 60,686.60/x
  3. Step 3: Cross multiply
    108,440.84x = 149,614.26 × 60,686.60
  4. Step 4: Simplify right side
    108,440.84x = 9,079,580,750.92
  5. Step 5: Solve for x
    x = 9,079,580,750.92/108,440.84
  6. Step 6: Final answer
    x = 83,728.43

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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.