Home / 75,326.56-112,945.54-28,582.72

Finding the Fourth Proportional to 75,326.56, 112,945.54 and 28,582.72

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Solution

The fourth proportional to 75,326.56, 112,945.54 and 28,582.72 is: 42,857.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,326.56 : 112,945.54 = 28,582.72 : x
  2. Step 2: Convert to fraction form
    75,326.56/112,945.54 = 28,582.72/x
  3. Step 3: Cross multiply
    75,326.56x = 112,945.54 × 28,582.72
  4. Step 4: Simplify right side
    75,326.56x = 3,228,290,745.07
  5. Step 5: Solve for x
    x = 3,228,290,745.07/75,326.56
  6. Step 6: Final answer
    x = 42,857.27

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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.