Home / 116,950.90-161,380.88-65,971.66

Finding the Fourth Proportional to 116,950.90, 161,380.88 and 65,971.66

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Solution

The fourth proportional to 116,950.90, 161,380.88 and 65,971.66 is: 91,034.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,950.90 : 161,380.88 = 65,971.66 : x
  2. Step 2: Convert to fraction form
    116,950.90/161,380.88 = 65,971.66/x
  3. Step 3: Cross multiply
    116,950.90x = 161,380.88 × 65,971.66
  4. Step 4: Simplify right side
    116,950.90x = 10,646,564,545.86
  5. Step 5: Solve for x
    x = 10,646,564,545.86/116,950.90
  6. Step 6: Final answer
    x = 91,034.48

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1.5x scale

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.