Home / 79,279.02-109,406.53-43,466.88

Finding the Fourth Proportional to 79,279.02, 109,406.53 and 43,466.88

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Solution

The fourth proportional to 79,279.02, 109,406.53 and 43,466.88 is: 59,985.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,279.02 : 109,406.53 = 43,466.88 : x
  2. Step 2: Convert to fraction form
    79,279.02/109,406.53 = 43,466.88/x
  3. Step 3: Cross multiply
    79,279.02x = 109,406.53 × 43,466.88
  4. Step 4: Simplify right side
    79,279.02x = 4,755,560,510.73
  5. Step 5: Solve for x
    x = 4,755,560,510.73/79,279.02
  6. Step 6: Final answer
    x = 59,985.11

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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.