Home / 77,715.35-116,572.76-33,313.31

Finding the Fourth Proportional to 77,715.35, 116,572.76 and 33,313.31

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Solution

The fourth proportional to 77,715.35, 116,572.76 and 33,313.31 is: 49,969.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,715.35 : 116,572.76 = 33,313.31 : x
  2. Step 2: Convert to fraction form
    77,715.35/116,572.76 = 33,313.31/x
  3. Step 3: Cross multiply
    77,715.35x = 116,572.76 × 33,313.31
  4. Step 4: Simplify right side
    77,715.35x = 3,883,424,324.87
  5. Step 5: Solve for x
    x = 3,883,424,324.87/77,715.35
  6. Step 6: Final answer
    x = 49,969.85

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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.