Home / 113,708.48-170,636.52-51,379.52

Finding the Fourth Proportional to 113,708.48, 170,636.52 and 51,379.52

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Solution

The fourth proportional to 113,708.48, 170,636.52 and 51,379.52 is: 77,102.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,708.48 : 170,636.52 = 51,379.52 : x
  2. Step 2: Convert to fraction form
    113,708.48/170,636.52 = 51,379.52/x
  3. Step 3: Cross multiply
    113,708.48x = 170,636.52 × 51,379.52
  4. Step 4: Simplify right side
    113,708.48x = 8,767,222,492.07
  5. Step 5: Solve for x
    x = 8,767,222,492.07/113,708.48
  6. Step 6: Final answer
    x = 77,102.63

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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.