Home / 108,126.36-149,205.78-60,376.86

Finding the Fourth Proportional to 108,126.36, 149,205.78 and 60,376.86

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Solution

The fourth proportional to 108,126.36, 149,205.78 and 60,376.86 is: 83,315.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,126.36 : 149,205.78 = 60,376.86 : x
  2. Step 2: Convert to fraction form
    108,126.36/149,205.78 = 60,376.86/x
  3. Step 3: Cross multiply
    108,126.36x = 149,205.78 × 60,376.86
  4. Step 4: Simplify right side
    108,126.36x = 9,008,576,490.25
  5. Step 5: Solve for x
    x = 9,008,576,490.25/108,126.36
  6. Step 6: Final answer
    x = 83,315.27

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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.