Home / 92,161.42-138,237.27-45,398.50

Finding the Fourth Proportional to 92,161.42, 138,237.27 and 45,398.50

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Solution

The fourth proportional to 92,161.42, 138,237.27 and 45,398.50 is: 68,095.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,161.42 : 138,237.27 = 45,398.50 : x
  2. Step 2: Convert to fraction form
    92,161.42/138,237.27 = 45,398.50/x
  3. Step 3: Cross multiply
    92,161.42x = 138,237.27 × 45,398.50
  4. Step 4: Simplify right side
    92,161.42x = 6,275,764,702.10
  5. Step 5: Solve for x
    x = 6,275,764,702.10/92,161.42
  6. Step 6: Final answer
    x = 68,095.36

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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.