Home / 74,620.61-102,983.70-55,724.93

Finding the Fourth Proportional to 74,620.61, 102,983.70 and 55,724.93

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Solution

The fourth proportional to 74,620.61, 102,983.70 and 55,724.93 is: 76,905.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,620.61 : 102,983.70 = 55,724.93 : x
  2. Step 2: Convert to fraction form
    74,620.61/102,983.70 = 55,724.93/x
  3. Step 3: Cross multiply
    74,620.61x = 102,983.70 × 55,724.93
  4. Step 4: Simplify right side
    74,620.61x = 5,738,758,958.72
  5. Step 5: Solve for x
    x = 5,738,758,958.72/74,620.61
  6. Step 6: Final answer
    x = 76,905.82

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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.