Home / 92,541.35-138,869.13-36,371.60

Finding the Fourth Proportional to 92,541.35, 138,869.13 and 36,371.60

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Solution

The fourth proportional to 92,541.35, 138,869.13 and 36,371.60 is: 54,579.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,541.35 : 138,869.13 = 36,371.60 : x
  2. Step 2: Convert to fraction form
    92,541.35/138,869.13 = 36,371.60/x
  3. Step 3: Cross multiply
    92,541.35x = 138,869.13 × 36,371.60
  4. Step 4: Simplify right side
    92,541.35x = 5,050,892,411.52
  5. Step 5: Solve for x
    x = 5,050,892,411.52/92,541.35
  6. Step 6: Final answer
    x = 54,579.84

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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.