Home / 85,090.11-127,625.45-22,765.47

Finding the Fourth Proportional to 85,090.11, 127,625.45 and 22,765.47

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Solution

The fourth proportional to 85,090.11, 127,625.45 and 22,765.47 is: 34,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,090.11 : 127,625.45 = 22,765.47 : x
  2. Step 2: Convert to fraction form
    85,090.11/127,625.45 = 22,765.47/x
  3. Step 3: Cross multiply
    85,090.11x = 127,625.45 × 22,765.47
  4. Step 4: Simplify right side
    85,090.11x = 2,905,453,239.38
  5. Step 5: Solve for x
    x = 2,905,453,239.38/85,090.11
  6. Step 6: Final answer
    x = 34,145.60

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1.5x scale

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.