Home / 67,785.71-93,542.37-40,918.41

Finding the Fourth Proportional to 67,785.71, 93,542.37 and 40,918.41

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Solution

The fourth proportional to 67,785.71, 93,542.37 and 40,918.41 is: 56,466.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,785.71 : 93,542.37 = 40,918.41 : x
  2. Step 2: Convert to fraction form
    67,785.71/93,542.37 = 40,918.41/x
  3. Step 3: Cross multiply
    67,785.71x = 93,542.37 × 40,918.41
  4. Step 4: Simplify right side
    67,785.71x = 3,827,605,048.03
  5. Step 5: Solve for x
    x = 3,827,605,048.03/67,785.71
  6. Step 6: Final answer
    x = 56,466.26

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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.