Home / 92,127.09-138,103.15-36,003.20

Finding the Fourth Proportional to 92,127.09, 138,103.15 and 36,003.20

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Solution

The fourth proportional to 92,127.09, 138,103.15 and 36,003.20 is: 53,970.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,127.09 : 138,103.15 = 36,003.20 : x
  2. Step 2: Convert to fraction form
    92,127.09/138,103.15 = 36,003.20/x
  3. Step 3: Cross multiply
    92,127.09x = 138,103.15 × 36,003.20
  4. Step 4: Simplify right side
    92,127.09x = 4,972,154,894.81
  5. Step 5: Solve for x
    x = 4,972,154,894.81/92,127.09
  6. Step 6: Final answer
    x = 53,970.61

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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.