Home / 61,784.28-85,261.68-34,560.03

Finding the Fourth Proportional to 61,784.28, 85,261.68 and 34,560.03

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Solution

The fourth proportional to 61,784.28, 85,261.68 and 34,560.03 is: 47,692.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,784.28 : 85,261.68 = 34,560.03 : x
  2. Step 2: Convert to fraction form
    61,784.28/85,261.68 = 34,560.03/x
  3. Step 3: Cross multiply
    61,784.28x = 85,261.68 × 34,560.03
  4. Step 4: Simplify right side
    61,784.28x = 2,946,646,218.65
  5. Step 5: Solve for x
    x = 2,946,646,218.65/61,784.28
  6. Step 6: Final answer
    x = 47,692.49

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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.