Home / 51,353.22-70,867.50-31,204.74

Finding the Fourth Proportional to 51,353.22, 70,867.50 and 31,204.74

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Solution

The fourth proportional to 51,353.22, 70,867.50 and 31,204.74 is: 43,062.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,353.22 : 70,867.50 = 31,204.74 : x
  2. Step 2: Convert to fraction form
    51,353.22/70,867.50 = 31,204.74/x
  3. Step 3: Cross multiply
    51,353.22x = 70,867.50 × 31,204.74
  4. Step 4: Simplify right side
    51,353.22x = 2,211,401,911.95
  5. Step 5: Solve for x
    x = 2,211,401,911.95/51,353.22
  6. Step 6: Final answer
    x = 43,062.58

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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.