Home / 92,371.92-138,357.38-56,725.06

Finding the Fourth Proportional to 92,371.92, 138,357.38 and 56,725.06

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Solution

The fourth proportional to 92,371.92, 138,357.38 and 56,725.06 is: 84,964.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,371.92 : 138,357.38 = 56,725.06 : x
  2. Step 2: Convert to fraction form
    92,371.92/138,357.38 = 56,725.06/x
  3. Step 3: Cross multiply
    92,371.92x = 138,357.38 × 56,725.06
  4. Step 4: Simplify right side
    92,371.92x = 7,848,330,681.94
  5. Step 5: Solve for x
    x = 7,848,330,681.94/92,371.92
  6. Step 6: Final answer
    x = 84,964.46

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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.