Home / 77,632.82-116,366.19-40,155.17

Finding the Fourth Proportional to 77,632.82, 116,366.19 and 40,155.17

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Solution

The fourth proportional to 77,632.82, 116,366.19 and 40,155.17 is: 60,189.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,632.82 : 116,366.19 = 40,155.17 : x
  2. Step 2: Convert to fraction form
    77,632.82/116,366.19 = 40,155.17/x
  3. Step 3: Cross multiply
    77,632.82x = 116,366.19 × 40,155.17
  4. Step 4: Simplify right side
    77,632.82x = 4,672,703,359.10
  5. Step 5: Solve for x
    x = 4,672,703,359.10/77,632.82
  6. Step 6: Final answer
    x = 60,189.79

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1.5x scale

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.