Home / 70,027.78-96,639.64-38,197.82

Finding the Fourth Proportional to 70,027.78, 96,639.64 and 38,197.82

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Solution

The fourth proportional to 70,027.78, 96,639.64 and 38,197.82 is: 52,713.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,027.78 : 96,639.64 = 38,197.82 : x
  2. Step 2: Convert to fraction form
    70,027.78/96,639.64 = 38,197.82/x
  3. Step 3: Cross multiply
    70,027.78x = 96,639.64 × 38,197.82
  4. Step 4: Simplify right side
    70,027.78x = 3,691,423,573.58
  5. Step 5: Solve for x
    x = 3,691,423,573.58/70,027.78
  6. Step 6: Final answer
    x = 52,713.70

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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.