Home / 51,122.46-70,549.72-28,462.44

Finding the Fourth Proportional to 51,122.46, 70,549.72 and 28,462.44

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Solution

The fourth proportional to 51,122.46, 70,549.72 and 28,462.44 is: 39,278.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,122.46 : 70,549.72 = 28,462.44 : x
  2. Step 2: Convert to fraction form
    51,122.46/70,549.72 = 28,462.44/x
  3. Step 3: Cross multiply
    51,122.46x = 70,549.72 × 28,462.44
  4. Step 4: Simplify right side
    51,122.46x = 2,008,017,172.52
  5. Step 5: Solve for x
    x = 2,008,017,172.52/51,122.46
  6. Step 6: Final answer
    x = 39,278.57

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1.5x scale

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.