Home / 116,700.18-174,769.59-66,628.44

Finding the Fourth Proportional to 116,700.18, 174,769.59 and 66,628.44

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Solution

The fourth proportional to 116,700.18, 174,769.59 and 66,628.44 is: 99,782.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,700.18 : 174,769.59 = 66,628.44 : x
  2. Step 2: Convert to fraction form
    116,700.18/174,769.59 = 66,628.44/x
  3. Step 3: Cross multiply
    116,700.18x = 174,769.59 × 66,628.44
  4. Step 4: Simplify right side
    116,700.18x = 11,644,625,141.14
  5. Step 5: Solve for x
    x = 11,644,625,141.14/116,700.18
  6. Step 6: Final answer
    x = 99,782.41

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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.