Home / 77,386.97-106,816.83-50,533.67

Finding the Fourth Proportional to 77,386.97, 106,816.83 and 50,533.67

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Solution

The fourth proportional to 77,386.97, 106,816.83 and 50,533.67 is: 69,751.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,386.97 : 106,816.83 = 50,533.67 : x
  2. Step 2: Convert to fraction form
    77,386.97/106,816.83 = 50,533.67/x
  3. Step 3: Cross multiply
    77,386.97x = 106,816.83 × 50,533.67
  4. Step 4: Simplify right side
    77,386.97x = 5,397,846,437.67
  5. Step 5: Solve for x
    x = 5,397,846,437.67/77,386.97
  6. Step 6: Final answer
    x = 69,751.36

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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.