Home / 75,605.56-113,131.51-71,550.10

Finding the Fourth Proportional to 75,605.56, 113,131.51 and 71,550.10

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Solution

The fourth proportional to 75,605.56, 113,131.51 and 71,550.10 is: 107,063.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,605.56 : 113,131.51 = 71,550.10 : x
  2. Step 2: Convert to fraction form
    75,605.56/113,131.51 = 71,550.10/x
  3. Step 3: Cross multiply
    75,605.56x = 113,131.51 × 71,550.10
  4. Step 4: Simplify right side
    75,605.56x = 8,094,570,853.65
  5. Step 5: Solve for x
    x = 8,094,570,853.65/75,605.56
  6. Step 6: Final answer
    x = 107,063.17

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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.