Home / 92,849.19-139,257.31-42,236.43

Finding the Fourth Proportional to 92,849.19, 139,257.31 and 42,236.43

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Solution

The fourth proportional to 92,849.19, 139,257.31 and 42,236.43 is: 63,347.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,849.19 : 139,257.31 = 42,236.43 : x
  2. Step 2: Convert to fraction form
    92,849.19/139,257.31 = 42,236.43/x
  3. Step 3: Cross multiply
    92,849.19x = 139,257.31 × 42,236.43
  4. Step 4: Simplify right side
    92,849.19x = 5,881,731,625.80
  5. Step 5: Solve for x
    x = 5,881,731,625.80/92,849.19
  6. Step 6: Final answer
    x = 63,347.15

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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.