Home / 68,935.32-103,381.11-26,812.62

Finding the Fourth Proportional to 68,935.32, 103,381.11 and 26,812.62

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Solution

The fourth proportional to 68,935.32, 103,381.11 and 26,812.62 is: 40,210.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,935.32 : 103,381.11 = 26,812.62 : x
  2. Step 2: Convert to fraction form
    68,935.32/103,381.11 = 26,812.62/x
  3. Step 3: Cross multiply
    68,935.32x = 103,381.11 × 26,812.62
  4. Step 4: Simplify right side
    68,935.32x = 2,771,918,417.61
  5. Step 5: Solve for x
    x = 2,771,918,417.61/68,935.32
  6. Step 6: Final answer
    x = 40,210.42

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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.