Home / 51,204.45-76,841.51-31,422.63

Finding the Fourth Proportional to 51,204.45, 76,841.51 and 31,422.63

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Solution

The fourth proportional to 51,204.45, 76,841.51 and 31,422.63 is: 47,155.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,204.45 : 76,841.51 = 31,422.63 : x
  2. Step 2: Convert to fraction form
    51,204.45/76,841.51 = 31,422.63/x
  3. Step 3: Cross multiply
    51,204.45x = 76,841.51 × 31,422.63
  4. Step 4: Simplify right side
    51,204.45x = 2,414,562,529.48
  5. Step 5: Solve for x
    x = 2,414,562,529.48/51,204.45
  6. Step 6: Final answer
    x = 47,155.32

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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.