Home / 74,089.68-102,222.84-43,861.72

Finding the Fourth Proportional to 74,089.68, 102,222.84 and 43,861.72

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Solution

The fourth proportional to 74,089.68, 102,222.84 and 43,861.72 is: 60,516.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,089.68 : 102,222.84 = 43,861.72 : x
  2. Step 2: Convert to fraction form
    74,089.68/102,222.84 = 43,861.72/x
  3. Step 3: Cross multiply
    74,089.68x = 102,222.84 × 43,861.72
  4. Step 4: Simplify right side
    74,089.68x = 4,483,669,585.68
  5. Step 5: Solve for x
    x = 4,483,669,585.68/74,089.68
  6. Step 6: Final answer
    x = 60,516.79

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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.