Home / 67,558.11-93,168.20-40,653.90

Finding the Fourth Proportional to 67,558.11, 93,168.20 and 40,653.90

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Solution

The fourth proportional to 67,558.11, 93,168.20 and 40,653.90 is: 56,065.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,558.11 : 93,168.20 = 40,653.90 : x
  2. Step 2: Convert to fraction form
    67,558.11/93,168.20 = 40,653.90/x
  3. Step 3: Cross multiply
    67,558.11x = 93,168.20 × 40,653.90
  4. Step 4: Simplify right side
    67,558.11x = 3,787,650,685.98
  5. Step 5: Solve for x
    x = 3,787,650,685.98/67,558.11
  6. Step 6: Final answer
    x = 56,065.08

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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.