Home / 85,299.54-117,713.07-47,573.76

Finding the Fourth Proportional to 85,299.54, 117,713.07 and 47,573.76

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Solution

The fourth proportional to 85,299.54, 117,713.07 and 47,573.76 is: 65,651.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,299.54 : 117,713.07 = 47,573.76 : x
  2. Step 2: Convert to fraction form
    85,299.54/117,713.07 = 47,573.76/x
  3. Step 3: Cross multiply
    85,299.54x = 117,713.07 × 47,573.76
  4. Step 4: Simplify right side
    85,299.54x = 5,600,053,341.04
  5. Step 5: Solve for x
    x = 5,600,053,341.04/85,299.54
  6. Step 6: Final answer
    x = 65,651.62

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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.