Home / 67,327.36-100,955.38-20,567.68

Finding the Fourth Proportional to 67,327.36, 100,955.38 and 20,567.68

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Solution

The fourth proportional to 67,327.36, 100,955.38 and 20,567.68 is: 30,840.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,327.36 : 100,955.38 = 20,567.68 : x
  2. Step 2: Convert to fraction form
    67,327.36/100,955.38 = 20,567.68/x
  3. Step 3: Cross multiply
    67,327.36x = 100,955.38 × 20,567.68
  4. Step 4: Simplify right side
    67,327.36x = 2,076,417,950.12
  5. Step 5: Solve for x
    x = 2,076,417,950.12/67,327.36
  6. Step 6: Final answer
    x = 30,840.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.