Home / 108,039.35-149,076.47-60,292.58

Finding the Fourth Proportional to 108,039.35, 149,076.47 and 60,292.58

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Solution

The fourth proportional to 108,039.35, 149,076.47 and 60,292.58 is: 83,193.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,039.35 : 149,076.47 = 60,292.58 : x
  2. Step 2: Convert to fraction form
    108,039.35/149,076.47 = 60,292.58/x
  3. Step 3: Cross multiply
    108,039.35x = 149,076.47 × 60,292.58
  4. Step 4: Simplify right side
    108,039.35x = 8,988,203,946.75
  5. Step 5: Solve for x
    x = 8,988,203,946.75/108,039.35
  6. Step 6: Final answer
    x = 83,193.80

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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.