Home / 108,281.92-162,450.54-45,081.10

Finding the Fourth Proportional to 108,281.92, 162,450.54 and 45,081.10

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Solution

The fourth proportional to 108,281.92, 162,450.54 and 45,081.10 is: 67,633.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,281.92 : 162,450.54 = 45,081.10 : x
  2. Step 2: Convert to fraction form
    108,281.92/162,450.54 = 45,081.10/x
  3. Step 3: Cross multiply
    108,281.92x = 162,450.54 × 45,081.10
  4. Step 4: Simplify right side
    108,281.92x = 7,323,449,038.79
  5. Step 5: Solve for x
    x = 7,323,449,038.79/108,281.92
  6. Step 6: Final answer
    x = 67,633.17

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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.