Home / 108,620.49-149,905.15-60,237.57

Finding the Fourth Proportional to 108,620.49, 149,905.15 and 60,237.57

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Solution

The fourth proportional to 108,620.49, 149,905.15 and 60,237.57 is: 83,132.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,620.49 : 149,905.15 = 60,237.57 : x
  2. Step 2: Convert to fraction form
    108,620.49/149,905.15 = 60,237.57/x
  3. Step 3: Cross multiply
    108,620.49x = 149,905.15 × 60,237.57
  4. Step 4: Simplify right side
    108,620.49x = 9,029,921,966.49
  5. Step 5: Solve for x
    x = 9,029,921,966.49/108,620.49
  6. Step 6: Final answer
    x = 83,132.77

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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.