Home / 92,966.40-139,434.92-40,361.76

Finding the Fourth Proportional to 92,966.40, 139,434.92 and 40,361.76

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Solution

The fourth proportional to 92,966.40, 139,434.92 and 40,361.76 is: 60,536.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,966.40 : 139,434.92 = 40,361.76 : x
  2. Step 2: Convert to fraction form
    92,966.40/139,434.92 = 40,361.76/x
  3. Step 3: Cross multiply
    92,966.40x = 139,434.92 × 40,361.76
  4. Step 4: Simplify right side
    92,966.40x = 5,627,838,776.66
  5. Step 5: Solve for x
    x = 5,627,838,776.66/92,966.40
  6. Step 6: Final answer
    x = 60,536.27

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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.