Home / 85,103.64-127,655.28-22,772.52

Finding the Fourth Proportional to 85,103.64, 127,655.28 and 22,772.52

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Solution

The fourth proportional to 85,103.64, 127,655.28 and 22,772.52 is: 34,158.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,103.64 : 127,655.28 = 22,772.52 : x
  2. Step 2: Convert to fraction form
    85,103.64/127,655.28 = 22,772.52/x
  3. Step 3: Cross multiply
    85,103.64x = 127,655.28 × 22,772.52
  4. Step 4: Simplify right side
    85,103.64x = 2,907,032,416.91
  5. Step 5: Solve for x
    x = 2,907,032,416.91/85,103.64
  6. Step 6: Final answer
    x = 34,158.73

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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.