Home / 51,760.56-77,641.32-28,374.24

Finding the Fourth Proportional to 51,760.56, 77,641.32 and 28,374.24

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Solution

The fourth proportional to 51,760.56, 77,641.32 and 28,374.24 is: 42,561.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,760.56 : 77,641.32 = 28,374.24 : x
  2. Step 2: Convert to fraction form
    51,760.56/77,641.32 = 28,374.24/x
  3. Step 3: Cross multiply
    51,760.56x = 77,641.32 × 28,374.24
  4. Step 4: Simplify right side
    51,760.56x = 2,203,013,447.60
  5. Step 5: Solve for x
    x = 2,203,013,447.60/51,760.56
  6. Step 6: Final answer
    x = 42,561.62

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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.