Home / 76,001.57-113,940.86-31,661.63

Finding the Fourth Proportional to 76,001.57, 113,940.86 and 31,661.63

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Solution

The fourth proportional to 76,001.57, 113,940.86 and 31,661.63 is: 47,466.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,001.57 : 113,940.86 = 31,661.63 : x
  2. Step 2: Convert to fraction form
    76,001.57/113,940.86 = 31,661.63/x
  3. Step 3: Cross multiply
    76,001.57x = 113,940.86 × 31,661.63
  4. Step 4: Simplify right side
    76,001.57x = 3,607,553,351.20
  5. Step 5: Solve for x
    x = 3,607,553,351.20/76,001.57
  6. Step 6: Final answer
    x = 47,466.83

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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.