Home / 51,447.93-77,557.50-48,018.78

Finding the Fourth Proportional to 51,447.93, 77,557.50 and 48,018.78

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Solution

The fourth proportional to 51,447.93, 77,557.50 and 48,018.78 is: 72,388.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,447.93 : 77,557.50 = 48,018.78 : x
  2. Step 2: Convert to fraction form
    51,447.93/77,557.50 = 48,018.78/x
  3. Step 3: Cross multiply
    51,447.93x = 77,557.50 × 48,018.78
  4. Step 4: Simplify right side
    51,447.93x = 3,724,216,529.85
  5. Step 5: Solve for x
    x = 3,724,216,529.85/51,447.93
  6. Step 6: Final answer
    x = 72,388.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.