Home / 68,411.16-94,423.14-40,125.96

Finding the Fourth Proportional to 68,411.16, 94,423.14 and 40,125.96

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Solution

The fourth proportional to 68,411.16, 94,423.14 and 40,125.96 is: 55,383.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,411.16 : 94,423.14 = 40,125.96 : x
  2. Step 2: Convert to fraction form
    68,411.16/94,423.14 = 40,125.96/x
  3. Step 3: Cross multiply
    68,411.16x = 94,423.14 × 40,125.96
  4. Step 4: Simplify right side
    68,411.16x = 3,788,819,138.71
  5. Step 5: Solve for x
    x = 3,788,819,138.71/68,411.16
  6. Step 6: Final answer
    x = 55,383.06

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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.