Home / 92,942.49-139,335.36-40,312.34

Finding the Fourth Proportional to 92,942.49, 139,335.36 and 40,312.34

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Solution

The fourth proportional to 92,942.49, 139,335.36 and 40,312.34 is: 60,434.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,942.49 : 139,335.36 = 40,312.34 : x
  2. Step 2: Convert to fraction form
    92,942.49/139,335.36 = 40,312.34/x
  3. Step 3: Cross multiply
    92,942.49x = 139,335.36 × 40,312.34
  4. Step 4: Simplify right side
    92,942.49x = 5,616,933,709.67
  5. Step 5: Solve for x
    x = 5,616,933,709.67/92,942.49
  6. Step 6: Final answer
    x = 60,434.51

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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.