Home / 50,460.87-75,700.53-20,862.66

Finding the Fourth Proportional to 50,460.87, 75,700.53 and 20,862.66

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Solution

The fourth proportional to 50,460.87, 75,700.53 and 20,862.66 is: 31,297.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,460.87 : 75,700.53 = 20,862.66 : x
  2. Step 2: Convert to fraction form
    50,460.87/75,700.53 = 20,862.66/x
  3. Step 3: Cross multiply
    50,460.87x = 75,700.53 × 20,862.66
  4. Step 4: Simplify right side
    50,460.87x = 1,579,314,419.21
  5. Step 5: Solve for x
    x = 1,579,314,419.21/50,460.87
  6. Step 6: Final answer
    x = 31,297.80

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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.