Home / 68,031.27-93,844.82-40,800.11

Finding the Fourth Proportional to 68,031.27, 93,844.82 and 40,800.11

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Solution

The fourth proportional to 68,031.27, 93,844.82 and 40,800.11 is: 56,281.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,031.27 : 93,844.82 = 40,800.11 : x
  2. Step 2: Convert to fraction form
    68,031.27/93,844.82 = 40,800.11/x
  3. Step 3: Cross multiply
    68,031.27x = 93,844.82 × 40,800.11
  4. Step 4: Simplify right side
    68,031.27x = 3,828,878,305.71
  5. Step 5: Solve for x
    x = 3,828,878,305.71/68,031.27
  6. Step 6: Final answer
    x = 56,281.15

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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.