Home / 74,528.28-102,849.28-40,536.76

Finding the Fourth Proportional to 74,528.28, 102,849.28 and 40,536.76

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Solution

The fourth proportional to 74,528.28, 102,849.28 and 40,536.76 is: 55,940.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,528.28 : 102,849.28 = 40,536.76 : x
  2. Step 2: Convert to fraction form
    74,528.28/102,849.28 = 40,536.76/x
  3. Step 3: Cross multiply
    74,528.28x = 102,849.28 × 40,536.76
  4. Step 4: Simplify right side
    74,528.28x = 4,169,176,579.53
  5. Step 5: Solve for x
    x = 4,169,176,579.53/74,528.28
  6. Step 6: Final answer
    x = 55,940.87

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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.