Home / 75,816.15-113,582.07-63,415.86

Finding the Fourth Proportional to 75,816.15, 113,582.07 and 63,415.86

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Solution

The fourth proportional to 75,816.15, 113,582.07 and 63,415.86 is: 95,004.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,816.15 : 113,582.07 = 63,415.86 : x
  2. Step 2: Convert to fraction form
    75,816.15/113,582.07 = 63,415.86/x
  3. Step 3: Cross multiply
    75,816.15x = 113,582.07 × 63,415.86
  4. Step 4: Simplify right side
    75,816.15x = 7,202,904,649.63
  5. Step 5: Solve for x
    x = 7,202,904,649.63/75,816.15
  6. Step 6: Final answer
    x = 95,004.89

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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.