Home / 75,189.86-112,784.79-25,269.96

Finding the Fourth Proportional to 75,189.86, 112,784.79 and 25,269.96

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Solution

The fourth proportional to 75,189.86, 112,784.79 and 25,269.96 is: 37,904.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,189.86 : 112,784.79 = 25,269.96 : x
  2. Step 2: Convert to fraction form
    75,189.86/112,784.79 = 25,269.96/x
  3. Step 3: Cross multiply
    75,189.86x = 112,784.79 × 25,269.96
  4. Step 4: Simplify right side
    75,189.86x = 2,850,066,441.63
  5. Step 5: Solve for x
    x = 2,850,066,441.63/75,189.86
  6. Step 6: Final answer
    x = 37,904.93

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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.