Home / 92,513.10-138,631.41-50,902.86

Finding the Fourth Proportional to 92,513.10, 138,631.41 and 50,902.86

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Solution

The fourth proportional to 92,513.10, 138,631.41 and 50,902.86 is: 76,278.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,513.10 : 138,631.41 = 50,902.86 : x
  2. Step 2: Convert to fraction form
    92,513.10/138,631.41 = 50,902.86/x
  3. Step 3: Cross multiply
    92,513.10x = 138,631.41 × 50,902.86
  4. Step 4: Simplify right side
    92,513.10x = 7,056,735,254.83
  5. Step 5: Solve for x
    x = 7,056,735,254.83/92,513.10
  6. Step 6: Final answer
    x = 76,278.23

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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.