Home / 102,030.41-140,841.20-68,026.50

Finding the Fourth Proportional to 102,030.41, 140,841.20 and 68,026.50

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Solution

The fourth proportional to 102,030.41, 140,841.20 and 68,026.50 is: 93,902.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,030.41 : 140,841.20 = 68,026.50 : x
  2. Step 2: Convert to fraction form
    102,030.41/140,841.20 = 68,026.50/x
  3. Step 3: Cross multiply
    102,030.41x = 140,841.20 × 68,026.50
  4. Step 4: Simplify right side
    102,030.41x = 9,580,933,551.67
  5. Step 5: Solve for x
    x = 9,580,933,551.67/102,030.41
  6. Step 6: Final answer
    x = 93,902.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.