Home / 89,112.60-122,975.37-53,311.04

Finding the Fourth Proportional to 89,112.60, 122,975.37 and 53,311.04

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Solution

The fourth proportional to 89,112.60, 122,975.37 and 53,311.04 is: 73,569.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,112.60 : 122,975.37 = 53,311.04 : x
  2. Step 2: Convert to fraction form
    89,112.60/122,975.37 = 53,311.04/x
  3. Step 3: Cross multiply
    89,112.60x = 122,975.37 × 53,311.04
  4. Step 4: Simplify right side
    89,112.60x = 6,555,944,254.21
  5. Step 5: Solve for x
    x = 6,555,944,254.21/89,112.60
  6. Step 6: Final answer
    x = 73,569.22

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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.