Home / 74,522.42-102,839.92-40,530.17

Finding the Fourth Proportional to 74,522.42, 102,839.92 and 40,530.17

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Solution

The fourth proportional to 74,522.42, 102,839.92 and 40,530.17 is: 55,931.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,522.42 : 102,839.92 = 40,530.17 : x
  2. Step 2: Convert to fraction form
    74,522.42/102,839.92 = 40,530.17/x
  3. Step 3: Cross multiply
    74,522.42x = 102,839.92 × 40,530.17
  4. Step 4: Simplify right side
    74,522.42x = 4,168,119,440.39
  5. Step 5: Solve for x
    x = 4,168,119,440.39/74,522.42
  6. Step 6: Final answer
    x = 55,931.08

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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.