Home / 79,037.13-109,071.33-43,227.03

Finding the Fourth Proportional to 79,037.13, 109,071.33 and 43,227.03

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Solution

The fourth proportional to 79,037.13, 109,071.33 and 43,227.03 is: 59,653.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,037.13 : 109,071.33 = 43,227.03 : x
  2. Step 2: Convert to fraction form
    79,037.13/109,071.33 = 43,227.03/x
  3. Step 3: Cross multiply
    79,037.13x = 109,071.33 × 43,227.03
  4. Step 4: Simplify right side
    79,037.13x = 4,714,829,654.05
  5. Step 5: Solve for x
    x = 4,714,829,654.05/79,037.13
  6. Step 6: Final answer
    x = 59,653.35

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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.