Home / 83,686.33-125,530.53-24,523.21

Finding the Fourth Proportional to 83,686.33, 125,530.53 and 24,523.21

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Solution

The fourth proportional to 83,686.33, 125,530.53 and 24,523.21 is: 36,785.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,686.33 : 125,530.53 = 24,523.21 : x
  2. Step 2: Convert to fraction form
    83,686.33/125,530.53 = 24,523.21/x
  3. Step 3: Cross multiply
    83,686.33x = 125,530.53 × 24,523.21
  4. Step 4: Simplify right side
    83,686.33x = 3,078,411,548.60
  5. Step 5: Solve for x
    x = 3,078,411,548.60/83,686.33
  6. Step 6: Final answer
    x = 36,785.12

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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.