Home / 116,688.39-175,016.17-66,606.09

Finding the Fourth Proportional to 116,688.39, 175,016.17 and 66,606.09

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Solution

The fourth proportional to 116,688.39, 175,016.17 and 66,606.09 is: 99,899.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,688.39 : 175,016.17 = 66,606.09 : x
  2. Step 2: Convert to fraction form
    116,688.39/175,016.17 = 66,606.09/x
  3. Step 3: Cross multiply
    116,688.39x = 175,016.17 × 66,606.09
  4. Step 4: Simplify right side
    116,688.39x = 11,657,142,770.48
  5. Step 5: Solve for x
    x = 11,657,142,770.48/116,688.39
  6. Step 6: Final answer
    x = 99,899.77

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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.