Home / 76,001.45-113,940.68-31,661.51

Finding the Fourth Proportional to 76,001.45, 113,940.68 and 31,661.51

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Solution

The fourth proportional to 76,001.45, 113,940.68 and 31,661.51 is: 47,466.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,001.45 : 113,940.68 = 31,661.51 : x
  2. Step 2: Convert to fraction form
    76,001.45/113,940.68 = 31,661.51/x
  3. Step 3: Cross multiply
    76,001.45x = 113,940.68 × 31,661.51
  4. Step 4: Simplify right side
    76,001.45x = 3,607,533,251.22
  5. Step 5: Solve for x
    x = 3,607,533,251.22/76,001.45
  6. Step 6: Final answer
    x = 47,466.64

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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.