Home / 51,322.95-76,883.99-45,750.15

Finding the Fourth Proportional to 51,322.95, 76,883.99 and 45,750.15

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Solution

The fourth proportional to 51,322.95, 76,883.99 and 45,750.15 is: 68,535.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,322.95 : 76,883.99 = 45,750.15 : x
  2. Step 2: Convert to fraction form
    51,322.95/76,883.99 = 45,750.15/x
  3. Step 3: Cross multiply
    51,322.95x = 76,883.99 × 45,750.15
  4. Step 4: Simplify right side
    51,322.95x = 3,517,453,846.35
  5. Step 5: Solve for x
    x = 3,517,453,846.35/51,322.95
  6. Step 6: Final answer
    x = 68,535.69

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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.