Home / 85,307.92-117,725.34-47,067.47

Finding the Fourth Proportional to 85,307.92, 117,725.34 and 47,067.47

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Solution

The fourth proportional to 85,307.92, 117,725.34 and 47,067.47 is: 64,953.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,307.92 : 117,725.34 = 47,067.47 : x
  2. Step 2: Convert to fraction form
    85,307.92/117,725.34 = 47,067.47/x
  3. Step 3: Cross multiply
    85,307.92x = 117,725.34 × 47,067.47
  4. Step 4: Simplify right side
    85,307.92x = 5,541,033,320.06
  5. Step 5: Solve for x
    x = 5,541,033,320.06/85,307.92
  6. Step 6: Final answer
    x = 64,953.33

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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.