Home / 75,941.28-113,936.32-36,501.28

Finding the Fourth Proportional to 75,941.28, 113,936.32 and 36,501.28

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Solution

The fourth proportional to 75,941.28, 113,936.32 and 36,501.28 is: 54,763.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,941.28 : 113,936.32 = 36,501.28 : x
  2. Step 2: Convert to fraction form
    75,941.28/113,936.32 = 36,501.28/x
  3. Step 3: Cross multiply
    75,941.28x = 113,936.32 × 36,501.28
  4. Step 4: Simplify right side
    75,941.28x = 4,158,821,518.49
  5. Step 5: Solve for x
    x = 4,158,821,518.49/75,941.28
  6. Step 6: Final answer
    x = 54,763.65

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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.