Home / 51,081.60-76,622.54-15,543.26

Finding the Fourth Proportional to 51,081.60, 76,622.54 and 15,543.26

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Solution

The fourth proportional to 51,081.60, 76,622.54 and 15,543.26 is: 23,314.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,081.60 : 76,622.54 = 15,543.26 : x
  2. Step 2: Convert to fraction form
    51,081.60/76,622.54 = 15,543.26/x
  3. Step 3: Cross multiply
    51,081.60x = 76,622.54 × 15,543.26
  4. Step 4: Simplify right side
    51,081.60x = 1,190,963,600.25
  5. Step 5: Solve for x
    x = 1,190,963,600.25/51,081.60
  6. Step 6: Final answer
    x = 23,314.92

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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.