Home / 108,664.14-149,947.47-60,915.90

Finding the Fourth Proportional to 108,664.14, 149,947.47 and 60,915.90

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Solution

The fourth proportional to 108,664.14, 149,947.47 and 60,915.90 is: 84,058.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,664.14 : 149,947.47 = 60,915.90 : x
  2. Step 2: Convert to fraction form
    108,664.14/149,947.47 = 60,915.90/x
  3. Step 3: Cross multiply
    108,664.14x = 149,947.47 × 60,915.90
  4. Step 4: Simplify right side
    108,664.14x = 9,134,185,087.77
  5. Step 5: Solve for x
    x = 9,134,185,087.77/108,664.14
  6. Step 6: Final answer
    x = 84,058.87

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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.