Home / 86,908.41-119,935.31-56,713.05

Finding the Fourth Proportional to 86,908.41, 119,935.31 and 56,713.05

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Solution

The fourth proportional to 86,908.41, 119,935.31 and 56,713.05 is: 78,265.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,908.41 : 119,935.31 = 56,713.05 : x
  2. Step 2: Convert to fraction form
    86,908.41/119,935.31 = 56,713.05/x
  3. Step 3: Cross multiply
    86,908.41x = 119,935.31 × 56,713.05
  4. Step 4: Simplify right side
    86,908.41x = 6,801,896,949.23
  5. Step 5: Solve for x
    x = 6,801,896,949.23/86,908.41
  6. Step 6: Final answer
    x = 78,265.12

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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.