Home / 74,318.74-111,412.49-56,866.48

Finding the Fourth Proportional to 74,318.74, 111,412.49 and 56,866.48

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Solution

The fourth proportional to 74,318.74, 111,412.49 and 56,866.48 is: 85,249.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,318.74 : 111,412.49 = 56,866.48 : x
  2. Step 2: Convert to fraction form
    74,318.74/111,412.49 = 56,866.48/x
  3. Step 3: Cross multiply
    74,318.74x = 111,412.49 × 56,866.48
  4. Step 4: Simplify right side
    74,318.74x = 6,335,635,997.97
  5. Step 5: Solve for x
    x = 6,335,635,997.97/74,318.74
  6. Step 6: Final answer
    x = 85,249.51

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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.