Home / 116,705.08-174,777-66,633.40

Finding the Fourth Proportional to 116,705.08, 174,777 and 66,633.40

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Solution

The fourth proportional to 116,705.08, 174,777 and 66,633.40 is: 99,789.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,705.08 : 174,777 = 66,633.40 : x
  2. Step 2: Convert to fraction form
    116,705.08/174,777 = 66,633.40/x
  3. Step 3: Cross multiply
    116,705.08x = 174,777 × 66,633.40
  4. Step 4: Simplify right side
    116,705.08x = 11,645,985,751.80
  5. Step 5: Solve for x
    x = 11,645,985,751.80/116,705.08
  6. Step 6: Final answer
    x = 99,789.88

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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.