Home / 50,461.92-75,563.64-42,121.20

Finding the Fourth Proportional to 50,461.92, 75,563.64 and 42,121.20

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Solution

The fourth proportional to 50,461.92, 75,563.64 and 42,121.20 is: 63,073.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,461.92 : 75,563.64 = 42,121.20 : x
  2. Step 2: Convert to fraction form
    50,461.92/75,563.64 = 42,121.20/x
  3. Step 3: Cross multiply
    50,461.92x = 75,563.64 × 42,121.20
  4. Step 4: Simplify right side
    50,461.92x = 3,182,831,193.17
  5. Step 5: Solve for x
    x = 3,182,831,193.17/50,461.92
  6. Step 6: Final answer
    x = 63,073.92

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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.