Home / 96,687.60-133,453.40-66,073.08

Finding the Fourth Proportional to 96,687.60, 133,453.40 and 66,073.08

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Solution

The fourth proportional to 96,687.60, 133,453.40 and 66,073.08 is: 91,197.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,687.60 : 133,453.40 = 66,073.08 : x
  2. Step 2: Convert to fraction form
    96,687.60/133,453.40 = 66,073.08/x
  3. Step 3: Cross multiply
    96,687.60x = 133,453.40 × 66,073.08
  4. Step 4: Simplify right side
    96,687.60x = 8,817,677,174.47
  5. Step 5: Solve for x
    x = 8,817,677,174.47/96,687.60
  6. Step 6: Final answer
    x = 91,197.60

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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.