Home / 119,971.64-165,562.11-66,258.02

Finding the Fourth Proportional to 119,971.64, 165,562.11 and 66,258.02

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Solution

The fourth proportional to 119,971.64, 165,562.11 and 66,258.02 is: 91,436.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,971.64 : 165,562.11 = 66,258.02 : x
  2. Step 2: Convert to fraction form
    119,971.64/165,562.11 = 66,258.02/x
  3. Step 3: Cross multiply
    119,971.64x = 165,562.11 × 66,258.02
  4. Step 4: Simplify right side
    119,971.64x = 10,969,817,595.62
  5. Step 5: Solve for x
    x = 10,969,817,595.62/119,971.64
  6. Step 6: Final answer
    x = 91,436.76

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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.