Home / 108,171.91-162,180.10-48,977.11

Finding the Fourth Proportional to 108,171.91, 162,180.10 and 48,977.11

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Solution

The fourth proportional to 108,171.91, 162,180.10 and 48,977.11 is: 73,430.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,171.91 : 162,180.10 = 48,977.11 : x
  2. Step 2: Convert to fraction form
    108,171.91/162,180.10 = 48,977.11/x
  3. Step 3: Cross multiply
    108,171.91x = 162,180.10 × 48,977.11
  4. Step 4: Simplify right side
    108,171.91x = 7,943,112,597.51
  5. Step 5: Solve for x
    x = 7,943,112,597.51/108,171.91
  6. Step 6: Final answer
    x = 73,430.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.