Home / 74,809.38-112,151.97-30,457.02

Finding the Fourth Proportional to 74,809.38, 112,151.97 and 30,457.02

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Solution

The fourth proportional to 74,809.38, 112,151.97 and 30,457.02 is: 45,660.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,809.38 : 112,151.97 = 30,457.02 : x
  2. Step 2: Convert to fraction form
    74,809.38/112,151.97 = 30,457.02/x
  3. Step 3: Cross multiply
    74,809.38x = 112,151.97 × 30,457.02
  4. Step 4: Simplify right side
    74,809.38x = 3,415,814,793.33
  5. Step 5: Solve for x
    x = 3,415,814,793.33/74,809.38
  6. Step 6: Final answer
    x = 45,660.25

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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.