Home / 51,200.98-70,687.66-45,520.04

Finding the Fourth Proportional to 51,200.98, 70,687.66 and 45,520.04

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Solution

The fourth proportional to 51,200.98, 70,687.66 and 45,520.04 is: 62,844.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,200.98 : 70,687.66 = 45,520.04 : x
  2. Step 2: Convert to fraction form
    51,200.98/70,687.66 = 45,520.04/x
  3. Step 3: Cross multiply
    51,200.98x = 70,687.66 × 45,520.04
  4. Step 4: Simplify right side
    51,200.98x = 3,217,704,643.47
  5. Step 5: Solve for x
    x = 3,217,704,643.47/51,200.98
  6. Step 6: Final answer
    x = 62,844.59

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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.