Home / 95,028.86-131,138.16-54,742.50

Finding the Fourth Proportional to 95,028.86, 131,138.16 and 54,742.50

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Solution

The fourth proportional to 95,028.86, 131,138.16 and 54,742.50 is: 75,543.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,028.86 : 131,138.16 = 54,742.50 : x
  2. Step 2: Convert to fraction form
    95,028.86/131,138.16 = 54,742.50/x
  3. Step 3: Cross multiply
    95,028.86x = 131,138.16 × 54,742.50
  4. Step 4: Simplify right side
    95,028.86x = 7,178,830,518.52
  5. Step 5: Solve for x
    x = 7,178,830,518.52/95,028.86
  6. Step 6: Final answer
    x = 75,543.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.