Home / 112,043.12-168,064.07-64,627.47

Finding the Fourth Proportional to 112,043.12, 168,064.07 and 64,627.47

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Solution

The fourth proportional to 112,043.12, 168,064.07 and 64,627.47 is: 96,940.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,043.12 : 168,064.07 = 64,627.47 : x
  2. Step 2: Convert to fraction form
    112,043.12/168,064.07 = 64,627.47/x
  3. Step 3: Cross multiply
    112,043.12x = 168,064.07 × 64,627.47
  4. Step 4: Simplify right side
    112,043.12x = 10,861,555,318.87
  5. Step 5: Solve for x
    x = 10,861,555,318.87/112,043.12
  6. Step 6: Final answer
    x = 96,940.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.