Home / 75,836.88-104,646.60-53,442

Finding the Fourth Proportional to 75,836.88, 104,646.60 and 53,442

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Solution

The fourth proportional to 75,836.88, 104,646.60 and 53,442 is: 73,744.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,836.88 : 104,646.60 = 53,442 : x
  2. Step 2: Convert to fraction form
    75,836.88/104,646.60 = 53,442/x
  3. Step 3: Cross multiply
    75,836.88x = 104,646.60 × 53,442
  4. Step 4: Simplify right side
    75,836.88x = 5,592,523,597.20
  5. Step 5: Solve for x
    x = 5,592,523,597.20/75,836.88
  6. Step 6: Final answer
    x = 73,744.11

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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.