Home / 91,828.66-137,752.21-34,141.32

Finding the Fourth Proportional to 91,828.66, 137,752.21 and 34,141.32

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Solution

The fourth proportional to 91,828.66, 137,752.21 and 34,141.32 is: 51,215.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,828.66 : 137,752.21 = 34,141.32 : x
  2. Step 2: Convert to fraction form
    91,828.66/137,752.21 = 34,141.32/x
  3. Step 3: Cross multiply
    91,828.66x = 137,752.21 × 34,141.32
  4. Step 4: Simplify right side
    91,828.66x = 4,703,042,497.18
  5. Step 5: Solve for x
    x = 4,703,042,497.18/91,828.66
  6. Step 6: Final answer
    x = 51,215.41

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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.