Home / 77,945.43-116,935.47-36,369.75

Finding the Fourth Proportional to 77,945.43, 116,935.47 and 36,369.75

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Solution

The fourth proportional to 77,945.43, 116,935.47 and 36,369.75 is: 54,562.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,945.43 : 116,935.47 = 36,369.75 : x
  2. Step 2: Convert to fraction form
    77,945.43/116,935.47 = 36,369.75/x
  3. Step 3: Cross multiply
    77,945.43x = 116,935.47 × 36,369.75
  4. Step 4: Simplify right side
    77,945.43x = 4,252,913,810.03
  5. Step 5: Solve for x
    x = 4,252,913,810.03/77,945.43
  6. Step 6: Final answer
    x = 54,562.71

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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.