Home / 92,644.13-139,152.15-55,277.12

Finding the Fourth Proportional to 92,644.13, 139,152.15 and 55,277.12

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Solution

The fourth proportional to 92,644.13, 139,152.15 and 55,277.12 is: 83,026.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,644.13 : 139,152.15 = 55,277.12 : x
  2. Step 2: Convert to fraction form
    92,644.13/139,152.15 = 55,277.12/x
  3. Step 3: Cross multiply
    92,644.13x = 139,152.15 × 55,277.12
  4. Step 4: Simplify right side
    92,644.13x = 7,691,929,398.05
  5. Step 5: Solve for x
    x = 7,691,929,398.05/92,644.13
  6. Step 6: Final answer
    x = 83,026.63

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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.