Home / 86,245.77-119,019.06-50,428.65

Finding the Fourth Proportional to 86,245.77, 119,019.06 and 50,428.65

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Solution

The fourth proportional to 86,245.77, 119,019.06 and 50,428.65 is: 69,591.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,245.77 : 119,019.06 = 50,428.65 : x
  2. Step 2: Convert to fraction form
    86,245.77/119,019.06 = 50,428.65/x
  3. Step 3: Cross multiply
    86,245.77x = 119,019.06 × 50,428.65
  4. Step 4: Simplify right side
    86,245.77x = 6,001,970,520.07
  5. Step 5: Solve for x
    x = 6,001,970,520.07/86,245.77
  6. Step 6: Final answer
    x = 69,591.48

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Double scale
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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.