Home / 51,222.24-70,691.36-31,084.25

Finding the Fourth Proportional to 51,222.24, 70,691.36 and 31,084.25

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Solution

The fourth proportional to 51,222.24, 70,691.36 and 31,084.25 is: 42,899.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,222.24 : 70,691.36 = 31,084.25 : x
  2. Step 2: Convert to fraction form
    51,222.24/70,691.36 = 31,084.25/x
  3. Step 3: Cross multiply
    51,222.24x = 70,691.36 × 31,084.25
  4. Step 4: Simplify right side
    51,222.24x = 2,197,387,398.20
  5. Step 5: Solve for x
    x = 2,197,387,398.20/51,222.24
  6. Step 6: Final answer
    x = 42,899.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.