Home / 79,424.65-109,605.45-43,613.94

Finding the Fourth Proportional to 79,424.65, 109,605.45 and 43,613.94

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Solution

The fourth proportional to 79,424.65, 109,605.45 and 43,613.94 is: 60,186.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,424.65 : 109,605.45 = 43,613.94 : x
  2. Step 2: Convert to fraction form
    79,424.65/109,605.45 = 43,613.94/x
  3. Step 3: Cross multiply
    79,424.65x = 109,605.45 × 43,613.94
  4. Step 4: Simplify right side
    79,424.65x = 4,780,326,094.55
  5. Step 5: Solve for x
    x = 4,780,326,094.55/79,424.65
  6. Step 6: Final answer
    x = 60,186.93

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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.