Home / 77,087.36-106,398.32-50,183.00

Finding the Fourth Proportional to 77,087.36, 106,398.32 and 50,183.00

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Solution

The fourth proportional to 77,087.36, 106,398.32 and 50,183.00 is: 69,264.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,087.36 : 106,398.32 = 50,183.00 : x
  2. Step 2: Convert to fraction form
    77,087.36/106,398.32 = 50,183.00/x
  3. Step 3: Cross multiply
    77,087.36x = 106,398.32 × 50,183.00
  4. Step 4: Simplify right side
    77,087.36x = 5,339,386,109.65
  5. Step 5: Solve for x
    x = 5,339,386,109.65/77,087.36
  6. Step 6: Final answer
    x = 69,264.10

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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.