Home / 108,291.24-149,429.70-60,543

Finding the Fourth Proportional to 108,291.24, 149,429.70 and 60,543

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Solution

The fourth proportional to 108,291.24, 149,429.70 and 60,543 is: 83,542.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,291.24 : 149,429.70 = 60,543 : x
  2. Step 2: Convert to fraction form
    108,291.24/149,429.70 = 60,543/x
  3. Step 3: Cross multiply
    108,291.24x = 149,429.70 × 60,543
  4. Step 4: Simplify right side
    108,291.24x = 9,046,922,327.10
  5. Step 5: Solve for x
    x = 9,046,922,327.10/108,291.24
  6. Step 6: Final answer
    x = 83,542.51

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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.