Home / 92,619.66-138,935.61-36,455.34

Finding the Fourth Proportional to 92,619.66, 138,935.61 and 36,455.34

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Solution

The fourth proportional to 92,619.66, 138,935.61 and 36,455.34 is: 54,685.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,619.66 : 138,935.61 = 36,455.34 : x
  2. Step 2: Convert to fraction form
    92,619.66/138,935.61 = 36,455.34/x
  3. Step 3: Cross multiply
    92,619.66x = 138,935.61 × 36,455.34
  4. Step 4: Simplify right side
    92,619.66x = 5,064,944,900.66
  5. Step 5: Solve for x
    x = 5,064,944,900.66/92,619.66
  6. Step 6: Final answer
    x = 54,685.42

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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.