Home / 53,754.46-80,621.16-51,087.34

Finding the Fourth Proportional to 53,754.46, 80,621.16 and 51,087.34

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Solution

The fourth proportional to 53,754.46, 80,621.16 and 51,087.34 is: 76,621.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,754.46 : 80,621.16 = 51,087.34 : x
  2. Step 2: Convert to fraction form
    53,754.46/80,621.16 = 51,087.34/x
  3. Step 3: Cross multiply
    53,754.46x = 80,621.16 × 51,087.34
  4. Step 4: Simplify right side
    53,754.46x = 4,118,720,612.11
  5. Step 5: Solve for x
    x = 4,118,720,612.11/53,754.46
  6. Step 6: Final answer
    x = 76,621.00

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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.