Home / 75,814.74-113,784.06-53,649.48

Finding the Fourth Proportional to 75,814.74, 113,784.06 and 53,649.48

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Solution

The fourth proportional to 75,814.74, 113,784.06 and 53,649.48 is: 80,518.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,814.74 : 113,784.06 = 53,649.48 : x
  2. Step 2: Convert to fraction form
    75,814.74/113,784.06 = 53,649.48/x
  3. Step 3: Cross multiply
    75,814.74x = 113,784.06 × 53,649.48
  4. Step 4: Simplify right side
    75,814.74x = 6,104,455,651.29
  5. Step 5: Solve for x
    x = 6,104,455,651.29/75,814.74
  6. Step 6: Final answer
    x = 80,518.06

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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.