Home / 108,572.26-162,617.79-83,427.22

Finding the Fourth Proportional to 108,572.26, 162,617.79 and 83,427.22

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Solution

The fourth proportional to 108,572.26, 162,617.79 and 83,427.22 is: 124,955.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,572.26 : 162,617.79 = 83,427.22 : x
  2. Step 2: Convert to fraction form
    108,572.26/162,617.79 = 83,427.22/x
  3. Step 3: Cross multiply
    108,572.26x = 162,617.79 × 83,427.22
  4. Step 4: Simplify right side
    108,572.26x = 13,566,750,142.24
  5. Step 5: Solve for x
    x = 13,566,750,142.24/108,572.26
  6. Step 6: Final answer
    x = 124,955.95

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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.