Home / 119,968.74-165,555.54-66,252.69

Finding the Fourth Proportional to 119,968.74, 165,555.54 and 66,252.69

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Solution

The fourth proportional to 119,968.74, 165,555.54 and 66,252.69 is: 91,427.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,968.74 : 165,555.54 = 66,252.69 : x
  2. Step 2: Convert to fraction form
    119,968.74/165,555.54 = 66,252.69/x
  3. Step 3: Cross multiply
    119,968.74x = 165,555.54 × 66,252.69
  4. Step 4: Simplify right side
    119,968.74x = 10,968,499,869.40
  5. Step 5: Solve for x
    x = 10,968,499,869.40/119,968.74
  6. Step 6: Final answer
    x = 91,427.98

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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.