Home / 92,799.18-139,187.31-39,512.58

Finding the Fourth Proportional to 92,799.18, 139,187.31 and 39,512.58

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Solution

The fourth proportional to 92,799.18, 139,187.31 and 39,512.58 is: 59,263.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,799.18 : 139,187.31 = 39,512.58 : x
  2. Step 2: Convert to fraction form
    92,799.18/139,187.31 = 39,512.58/x
  3. Step 3: Cross multiply
    92,799.18x = 139,187.31 × 39,512.58
  4. Step 4: Simplify right side
    92,799.18x = 5,499,649,721.36
  5. Step 5: Solve for x
    x = 5,499,649,721.36/92,799.18
  6. Step 6: Final answer
    x = 59,263.99

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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.