Home / 113,812.26-157,076.73-63,514.50

Finding the Fourth Proportional to 113,812.26, 157,076.73 and 63,514.50

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Solution

The fourth proportional to 113,812.26, 157,076.73 and 63,514.50 is: 87,658.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,812.26 : 157,076.73 = 63,514.50 : x
  2. Step 2: Convert to fraction form
    113,812.26/157,076.73 = 63,514.50/x
  3. Step 3: Cross multiply
    113,812.26x = 157,076.73 × 63,514.50
  4. Step 4: Simplify right side
    113,812.26x = 9,976,649,967.59
  5. Step 5: Solve for x
    x = 9,976,649,967.59/113,812.26
  6. Step 6: Final answer
    x = 87,658.83

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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.