Home / 80,946.87-121,408.46-58,564.29

Finding the Fourth Proportional to 80,946.87, 121,408.46 and 58,564.29

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Solution

The fourth proportional to 80,946.87, 121,408.46 and 58,564.29 is: 87,837.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,946.87 : 121,408.46 = 58,564.29 : x
  2. Step 2: Convert to fraction form
    80,946.87/121,408.46 = 58,564.29/x
  3. Step 3: Cross multiply
    80,946.87x = 121,408.46 × 58,564.29
  4. Step 4: Simplify right side
    80,946.87x = 7,110,199,967.07
  5. Step 5: Solve for x
    x = 7,110,199,967.07/80,946.87
  6. Step 6: Final answer
    x = 87,837.86

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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.