Home / 67,668.08-93,390.66-40,825.08

Finding the Fourth Proportional to 67,668.08, 93,390.66 and 40,825.08

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Solution

The fourth proportional to 67,668.08, 93,390.66 and 40,825.08 is: 56,343.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,668.08 : 93,390.66 = 40,825.08 : x
  2. Step 2: Convert to fraction form
    67,668.08/93,390.66 = 40,825.08/x
  3. Step 3: Cross multiply
    67,668.08x = 93,390.66 × 40,825.08
  4. Step 4: Simplify right side
    67,668.08x = 3,812,681,165.75
  5. Step 5: Solve for x
    x = 3,812,681,165.75/67,668.08
  6. Step 6: Final answer
    x = 56,343.87

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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.