Home / 108,462.06-149,673.15-63,141.21

Finding the Fourth Proportional to 108,462.06, 149,673.15 and 63,141.21

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Solution

The fourth proportional to 108,462.06, 149,673.15 and 63,141.21 is: 87,132.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,462.06 : 149,673.15 = 63,141.21 : x
  2. Step 2: Convert to fraction form
    108,462.06/149,673.15 = 63,141.21/x
  3. Step 3: Cross multiply
    108,462.06x = 149,673.15 × 63,141.21
  4. Step 4: Simplify right side
    108,462.06x = 9,450,543,795.51
  5. Step 5: Solve for x
    x = 9,450,543,795.51/108,462.06
  6. Step 6: Final answer
    x = 87,132.25

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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.