Home / 77,975.86-116,971.08-25,371.22

Finding the Fourth Proportional to 77,975.86, 116,971.08 and 25,371.22

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Solution

The fourth proportional to 77,975.86, 116,971.08 and 25,371.22 is: 38,059.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,975.86 : 116,971.08 = 25,371.22 : x
  2. Step 2: Convert to fraction form
    77,975.86/116,971.08 = 25,371.22/x
  3. Step 3: Cross multiply
    77,975.86x = 116,971.08 × 25,371.22
  4. Step 4: Simplify right side
    77,975.86x = 2,967,699,004.32
  5. Step 5: Solve for x
    x = 2,967,699,004.32/77,975.86
  6. Step 6: Final answer
    x = 38,059.20

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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.