Home / 74,936.68-103,411.28-40,944.35

Finding the Fourth Proportional to 74,936.68, 103,411.28 and 40,944.35

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Solution

The fourth proportional to 74,936.68, 103,411.28 and 40,944.35 is: 56,502.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,936.68 : 103,411.28 = 40,944.35 : x
  2. Step 2: Convert to fraction form
    74,936.68/103,411.28 = 40,944.35/x
  3. Step 3: Cross multiply
    74,936.68x = 103,411.28 × 40,944.35
  4. Step 4: Simplify right side
    74,936.68x = 4,234,108,003.16
  5. Step 5: Solve for x
    x = 4,234,108,003.16/74,936.68
  6. Step 6: Final answer
    x = 56,502.48

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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.