Home / 68,411.85-94,424.09-40,126.65

Finding the Fourth Proportional to 68,411.85, 94,424.09 and 40,126.65

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Solution

The fourth proportional to 68,411.85, 94,424.09 and 40,126.65 is: 55,384.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,411.85 : 94,424.09 = 40,126.65 : x
  2. Step 2: Convert to fraction form
    68,411.85/94,424.09 = 40,126.65/x
  3. Step 3: Cross multiply
    68,411.85x = 94,424.09 × 40,126.65
  4. Step 4: Simplify right side
    68,411.85x = 3,788,922,411.00
  5. Step 5: Solve for x
    x = 3,788,922,411.00/68,411.85
  6. Step 6: Final answer
    x = 55,384.01

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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.