Home / 85,348.72-127,945.64-29,914.48

Finding the Fourth Proportional to 85,348.72, 127,945.64 and 29,914.48

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Solution

The fourth proportional to 85,348.72, 127,945.64 and 29,914.48 is: 44,844.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,348.72 : 127,945.64 = 29,914.48 : x
  2. Step 2: Convert to fraction form
    85,348.72/127,945.64 = 29,914.48/x
  3. Step 3: Cross multiply
    85,348.72x = 127,945.64 × 29,914.48
  4. Step 4: Simplify right side
    85,348.72x = 3,827,427,288.87
  5. Step 5: Solve for x
    x = 3,827,427,288.87/85,348.72
  6. Step 6: Final answer
    x = 44,844.58

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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.