Home / 77,974.86-116,969.58-25,370.22

Finding the Fourth Proportional to 77,974.86, 116,969.58 and 25,370.22

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Solution

The fourth proportional to 77,974.86, 116,969.58 and 25,370.22 is: 38,057.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,974.86 : 116,969.58 = 25,370.22 : x
  2. Step 2: Convert to fraction form
    77,974.86/116,969.58 = 25,370.22/x
  3. Step 3: Cross multiply
    77,974.86x = 116,969.58 × 25,370.22
  4. Step 4: Simplify right side
    77,974.86x = 2,967,543,977.91
  5. Step 5: Solve for x
    x = 2,967,543,977.91/77,974.86
  6. Step 6: Final answer
    x = 38,057.70

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1.5x scale

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.