Home / 65,229.84-90,069.66-52,442.10

Finding the Fourth Proportional to 65,229.84, 90,069.66 and 52,442.10

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Solution

The fourth proportional to 65,229.84, 90,069.66 and 52,442.10 is: 72,412.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,229.84 : 90,069.66 = 52,442.10 : x
  2. Step 2: Convert to fraction form
    65,229.84/90,069.66 = 52,442.10/x
  3. Step 3: Cross multiply
    65,229.84x = 90,069.66 × 52,442.10
  4. Step 4: Simplify right side
    65,229.84x = 4,723,442,116.69
  5. Step 5: Solve for x
    x = 4,723,442,116.69/65,229.84
  6. Step 6: Final answer
    x = 72,412.29

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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.