Home / 108,202.23-149,285.70-62,871.59

Finding the Fourth Proportional to 108,202.23, 149,285.70 and 62,871.59

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Solution

The fourth proportional to 108,202.23, 149,285.70 and 62,871.59 is: 86,743.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,202.23 : 149,285.70 = 62,871.59 : x
  2. Step 2: Convert to fraction form
    108,202.23/149,285.70 = 62,871.59/x
  3. Step 3: Cross multiply
    108,202.23x = 149,285.70 × 62,871.59
  4. Step 4: Simplify right side
    108,202.23x = 9,385,829,696.48
  5. Step 5: Solve for x
    x = 9,385,829,696.48/108,202.23
  6. Step 6: Final answer
    x = 86,743.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.