Home / 77,840.31-116,760.47-25,249.80

Finding the Fourth Proportional to 77,840.31, 116,760.47 and 25,249.80

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Solution

The fourth proportional to 77,840.31, 116,760.47 and 25,249.80 is: 37,874.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,840.31 : 116,760.47 = 25,249.80 : x
  2. Step 2: Convert to fraction form
    77,840.31/116,760.47 = 25,249.80/x
  3. Step 3: Cross multiply
    77,840.31x = 116,760.47 × 25,249.80
  4. Step 4: Simplify right side
    77,840.31x = 2,948,178,515.41
  5. Step 5: Solve for x
    x = 2,948,178,515.41/77,840.31
  6. Step 6: Final answer
    x = 37,874.70

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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.