Home / 56,008.20-83,915.10-36,276.60

Finding the Fourth Proportional to 56,008.20, 83,915.10 and 36,276.60

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Solution

The fourth proportional to 56,008.20, 83,915.10 and 36,276.60 is: 54,351.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,008.20 : 83,915.10 = 36,276.60 : x
  2. Step 2: Convert to fraction form
    56,008.20/83,915.10 = 36,276.60/x
  3. Step 3: Cross multiply
    56,008.20x = 83,915.10 × 36,276.60
  4. Step 4: Simplify right side
    56,008.20x = 3,044,154,516.66
  5. Step 5: Solve for x
    x = 3,044,154,516.66/56,008.20
  6. Step 6: Final answer
    x = 54,351.94

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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.