Home / 68,385.06-94,387.14-40,099.86

Finding the Fourth Proportional to 68,385.06, 94,387.14 and 40,099.86

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Solution

The fourth proportional to 68,385.06, 94,387.14 and 40,099.86 is: 55,347.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,385.06 : 94,387.14 = 40,099.86 : x
  2. Step 2: Convert to fraction form
    68,385.06/94,387.14 = 40,099.86/x
  3. Step 3: Cross multiply
    68,385.06x = 94,387.14 × 40,099.86
  4. Step 4: Simplify right side
    68,385.06x = 3,784,911,303.38
  5. Step 5: Solve for x
    x = 3,784,911,303.38/68,385.06
  6. Step 6: Final answer
    x = 55,347.05

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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.