Home / 79,380.24-109,546.02-43,573.58

Finding the Fourth Proportional to 79,380.24, 109,546.02 and 43,573.58

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Solution

The fourth proportional to 79,380.24, 109,546.02 and 43,573.58 is: 60,132.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,380.24 : 109,546.02 = 43,573.58 : x
  2. Step 2: Convert to fraction form
    79,380.24/109,546.02 = 43,573.58/x
  3. Step 3: Cross multiply
    79,380.24x = 109,546.02 × 43,573.58
  4. Step 4: Simplify right side
    79,380.24x = 4,773,312,129.22
  5. Step 5: Solve for x
    x = 4,773,312,129.22/79,380.24
  6. Step 6: Final answer
    x = 60,132.25

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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.