Home / 77,971.86-116,965.08-25,367.22

Finding the Fourth Proportional to 77,971.86, 116,965.08 and 25,367.22

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Solution

The fourth proportional to 77,971.86, 116,965.08 and 25,367.22 is: 38,053.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,971.86 : 116,965.08 = 25,367.22 : x
  2. Step 2: Convert to fraction form
    77,971.86/116,965.08 = 25,367.22/x
  3. Step 3: Cross multiply
    77,971.86x = 116,965.08 × 25,367.22
  4. Step 4: Simplify right side
    77,971.86x = 2,967,078,916.68
  5. Step 5: Solve for x
    x = 2,967,078,916.68/77,971.86
  6. Step 6: Final answer
    x = 38,053.20

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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.