Home / 72,004.22-108,030.01-34,069.78

Finding the Fourth Proportional to 72,004.22, 108,030.01 and 34,069.78

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Solution

The fourth proportional to 72,004.22, 108,030.01 and 34,069.78 is: 51,115.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,004.22 : 108,030.01 = 34,069.78 : x
  2. Step 2: Convert to fraction form
    72,004.22/108,030.01 = 34,069.78/x
  3. Step 3: Cross multiply
    72,004.22x = 108,030.01 × 34,069.78
  4. Step 4: Simplify right side
    72,004.22x = 3,680,558,674.10
  5. Step 5: Solve for x
    x = 3,680,558,674.10/72,004.22
  6. Step 6: Final answer
    x = 51,115.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.