Home / 108,743.59-163,033.33-71,313.08

Finding the Fourth Proportional to 108,743.59, 163,033.33 and 71,313.08

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Solution

The fourth proportional to 108,743.59, 163,033.33 and 71,313.08 is: 106,915.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,743.59 : 163,033.33 = 71,313.08 : x
  2. Step 2: Convert to fraction form
    108,743.59/163,033.33 = 71,313.08/x
  3. Step 3: Cross multiply
    108,743.59x = 163,033.33 × 71,313.08
  4. Step 4: Simplify right side
    108,743.59x = 11,626,409,621.38
  5. Step 5: Solve for x
    x = 11,626,409,621.38/108,743.59
  6. Step 6: Final answer
    x = 106,915.82

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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.