Home / 84,939.28-117,197.64-51,404.56

Finding the Fourth Proportional to 84,939.28, 117,197.64 and 51,404.56

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Solution

The fourth proportional to 84,939.28, 117,197.64 and 51,404.56 is: 70,927.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,939.28 : 117,197.64 = 51,404.56 : x
  2. Step 2: Convert to fraction form
    84,939.28/117,197.64 = 51,404.56/x
  3. Step 3: Cross multiply
    84,939.28x = 117,197.64 × 51,404.56
  4. Step 4: Simplify right side
    84,939.28x = 6,024,493,117.24
  5. Step 5: Solve for x
    x = 6,024,493,117.24/84,939.28
  6. Step 6: Final answer
    x = 70,927.06

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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.