Home / 67,814.48-93,565.36-40,579.49

Finding the Fourth Proportional to 67,814.48, 93,565.36 and 40,579.49

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Solution

The fourth proportional to 67,814.48, 93,565.36 and 40,579.49 is: 55,988.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,814.48 : 93,565.36 = 40,579.49 : x
  2. Step 2: Convert to fraction form
    67,814.48/93,565.36 = 40,579.49/x
  3. Step 3: Cross multiply
    67,814.48x = 93,565.36 × 40,579.49
  4. Step 4: Simplify right side
    67,814.48x = 3,796,834,824.38
  5. Step 5: Solve for x
    x = 3,796,834,824.38/67,814.48
  6. Step 6: Final answer
    x = 55,988.56

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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.