Home / 92,972.43-139,460.20-48,685.68

Finding the Fourth Proportional to 92,972.43, 139,460.20 and 48,685.68

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Solution

The fourth proportional to 92,972.43, 139,460.20 and 48,685.68 is: 73,029.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,972.43 : 139,460.20 = 48,685.68 : x
  2. Step 2: Convert to fraction form
    92,972.43/139,460.20 = 48,685.68/x
  3. Step 3: Cross multiply
    92,972.43x = 139,460.20 × 48,685.68
  4. Step 4: Simplify right side
    92,972.43x = 6,789,714,548.22
  5. Step 5: Solve for x
    x = 6,789,714,548.22/92,972.43
  6. Step 6: Final answer
    x = 73,029.33

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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.