Home / 61,839.27-85,328.40-36,367.47

Finding the Fourth Proportional to 61,839.27, 85,328.40 and 36,367.47

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Solution

The fourth proportional to 61,839.27, 85,328.40 and 36,367.47 is: 50,181.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,839.27 : 85,328.40 = 36,367.47 : x
  2. Step 2: Convert to fraction form
    61,839.27/85,328.40 = 36,367.47/x
  3. Step 3: Cross multiply
    61,839.27x = 85,328.40 × 36,367.47
  4. Step 4: Simplify right side
    61,839.27x = 3,103,178,027.15
  5. Step 5: Solve for x
    x = 3,103,178,027.15/61,839.27
  6. Step 6: Final answer
    x = 50,181.35

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1.5x scale

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.