Home / 92,235.39-138,178.08-54,716.19

Finding the Fourth Proportional to 92,235.39, 138,178.08 and 54,716.19

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Solution

The fourth proportional to 92,235.39, 138,178.08 and 54,716.19 is: 81,970.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,235.39 : 138,178.08 = 54,716.19 : x
  2. Step 2: Convert to fraction form
    92,235.39/138,178.08 = 54,716.19/x
  3. Step 3: Cross multiply
    92,235.39x = 138,178.08 × 54,716.19
  4. Step 4: Simplify right side
    92,235.39x = 7,560,578,079.12
  5. Step 5: Solve for x
    x = 7,560,578,079.12/92,235.39
  6. Step 6: Final answer
    x = 81,970.47

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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.