Home / 51,860.45-77,649.03-39,173.02

Finding the Fourth Proportional to 51,860.45, 77,649.03 and 39,173.02

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Solution

The fourth proportional to 51,860.45, 77,649.03 and 39,173.02 is: 58,652.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,860.45 : 77,649.03 = 39,173.02 : x
  2. Step 2: Convert to fraction form
    51,860.45/77,649.03 = 39,173.02/x
  3. Step 3: Cross multiply
    51,860.45x = 77,649.03 × 39,173.02
  4. Step 4: Simplify right side
    51,860.45x = 3,041,746,811.05
  5. Step 5: Solve for x
    x = 3,041,746,811.05/51,860.45
  6. Step 6: Final answer
    x = 58,652.53

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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.