Home / 65,299.74-90,017.28-50,943.42

Finding the Fourth Proportional to 65,299.74, 90,017.28 and 50,943.42

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Solution

The fourth proportional to 65,299.74, 90,017.28 and 50,943.42 is: 70,226.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,299.74 : 90,017.28 = 50,943.42 : x
  2. Step 2: Convert to fraction form
    65,299.74/90,017.28 = 50,943.42/x
  3. Step 3: Cross multiply
    65,299.74x = 90,017.28 × 50,943.42
  4. Step 4: Simplify right side
    65,299.74x = 4,585,788,102.30
  5. Step 5: Solve for x
    x = 4,585,788,102.30/65,299.74
  6. Step 6: Final answer
    x = 70,226.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.