Home / 108,288.73-149,430.86-62,963.50

Finding the Fourth Proportional to 108,288.73, 149,430.86 and 62,963.50

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Solution

The fourth proportional to 108,288.73, 149,430.86 and 62,963.50 is: 86,885.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,288.73 : 149,430.86 = 62,963.50 : x
  2. Step 2: Convert to fraction form
    108,288.73/149,430.86 = 62,963.50/x
  3. Step 3: Cross multiply
    108,288.73x = 149,430.86 × 62,963.50
  4. Step 4: Simplify right side
    108,288.73x = 9,408,690,201.79
  5. Step 5: Solve for x
    x = 9,408,690,201.79/108,288.73
  6. Step 6: Final answer
    x = 86,885.22

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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.