Home / 108,837.25-163,285.40-45,624.13

Finding the Fourth Proportional to 108,837.25, 163,285.40 and 45,624.13

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Solution

The fourth proportional to 108,837.25, 163,285.40 and 45,624.13 is: 68,448.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,837.25 : 163,285.40 = 45,624.13 : x
  2. Step 2: Convert to fraction form
    108,837.25/163,285.40 = 45,624.13/x
  3. Step 3: Cross multiply
    108,837.25x = 163,285.40 × 45,624.13
  4. Step 4: Simplify right side
    108,837.25x = 7,449,754,022.55
  5. Step 5: Solve for x
    x = 7,449,754,022.55/108,837.25
  6. Step 6: Final answer
    x = 68,448.57

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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.