Home / 86,892.32-119,896.80-50,601.44

Finding the Fourth Proportional to 86,892.32, 119,896.80 and 50,601.44

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Solution

The fourth proportional to 86,892.32, 119,896.80 and 50,601.44 is: 69,821.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,892.32 : 119,896.80 = 50,601.44 : x
  2. Step 2: Convert to fraction form
    86,892.32/119,896.80 = 50,601.44/x
  3. Step 3: Cross multiply
    86,892.32x = 119,896.80 × 50,601.44
  4. Step 4: Simplify right side
    86,892.32x = 6,066,950,731.39
  5. Step 5: Solve for x
    x = 6,066,950,731.39/86,892.32
  6. Step 6: Final answer
    x = 69,821.48

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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.