Home / 75,739.96-104,538.94-47,081.24

Finding the Fourth Proportional to 75,739.96, 104,538.94 and 47,081.24

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Solution

The fourth proportional to 75,739.96, 104,538.94 and 47,081.24 is: 64,983.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,739.96 : 104,538.94 = 47,081.24 : x
  2. Step 2: Convert to fraction form
    75,739.96/104,538.94 = 47,081.24/x
  3. Step 3: Cross multiply
    75,739.96x = 104,538.94 × 47,081.24
  4. Step 4: Simplify right side
    75,739.96x = 4,921,822,923.49
  5. Step 5: Solve for x
    x = 4,921,822,923.49/75,739.96
  6. Step 6: Final answer
    x = 64,983.17

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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.