Home / 67,548.84-101,268.60-28,135.56

Finding the Fourth Proportional to 67,548.84, 101,268.60 and 28,135.56

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Solution

The fourth proportional to 67,548.84, 101,268.60 and 28,135.56 is: 42,180.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,548.84 : 101,268.60 = 28,135.56 : x
  2. Step 2: Convert to fraction form
    67,548.84/101,268.60 = 28,135.56/x
  3. Step 3: Cross multiply
    67,548.84x = 101,268.60 × 28,135.56
  4. Step 4: Simplify right side
    67,548.84x = 2,849,248,771.42
  5. Step 5: Solve for x
    x = 2,849,248,771.42/67,548.84
  6. Step 6: Final answer
    x = 42,180.57

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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.