Home / 85,221.40-117,568.44-50,746.84

Finding the Fourth Proportional to 85,221.40, 117,568.44 and 50,746.84

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Solution

The fourth proportional to 85,221.40, 117,568.44 and 50,746.84 is: 70,008.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,221.40 : 117,568.44 = 50,746.84 : x
  2. Step 2: Convert to fraction form
    85,221.40/117,568.44 = 50,746.84/x
  3. Step 3: Cross multiply
    85,221.40x = 117,568.44 × 50,746.84
  4. Step 4: Simplify right side
    85,221.40x = 5,966,226,813.73
  5. Step 5: Solve for x
    x = 5,966,226,813.73/85,221.40
  6. Step 6: Final answer
    x = 70,008.55

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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.