Home / 79,234.04-109,343.13-43,425.38

Finding the Fourth Proportional to 79,234.04, 109,343.13 and 43,425.38

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Solution

The fourth proportional to 79,234.04, 109,343.13 and 43,425.38 is: 59,927.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,234.04 : 109,343.13 = 43,425.38 : x
  2. Step 2: Convert to fraction form
    79,234.04/109,343.13 = 43,425.38/x
  3. Step 3: Cross multiply
    79,234.04x = 109,343.13 × 43,425.38
  4. Step 4: Simplify right side
    79,234.04x = 4,748,266,970.64
  5. Step 5: Solve for x
    x = 4,748,266,970.64/79,234.04
  6. Step 6: Final answer
    x = 59,927.11

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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.