Home / 74,389.06-102,605.94-47,519.64

Finding the Fourth Proportional to 74,389.06, 102,605.94 and 47,519.64

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Solution

The fourth proportional to 74,389.06, 102,605.94 and 47,519.64 is: 65,544.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,389.06 : 102,605.94 = 47,519.64 : x
  2. Step 2: Convert to fraction form
    74,389.06/102,605.94 = 47,519.64/x
  3. Step 3: Cross multiply
    74,389.06x = 102,605.94 × 47,519.64
  4. Step 4: Simplify right side
    74,389.06x = 4,875,797,330.66
  5. Step 5: Solve for x
    x = 4,875,797,330.66/74,389.06
  6. Step 6: Final answer
    x = 65,544.55

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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.