Home / 116,693.04-160,971.57-76,471.68

Finding the Fourth Proportional to 116,693.04, 160,971.57 and 76,471.68

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Solution

The fourth proportional to 116,693.04, 160,971.57 and 76,471.68 is: 105,488.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,693.04 : 160,971.57 = 76,471.68 : x
  2. Step 2: Convert to fraction form
    116,693.04/160,971.57 = 76,471.68/x
  3. Step 3: Cross multiply
    116,693.04x = 160,971.57 × 76,471.68
  4. Step 4: Simplify right side
    116,693.04x = 12,309,766,390.14
  5. Step 5: Solve for x
    x = 12,309,766,390.14/116,693.04
  6. Step 6: Final answer
    x = 105,488.44

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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.