Home / 72,068.06-108,107.85-25,331.42

Finding the Fourth Proportional to 72,068.06, 108,107.85 and 25,331.42

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Solution

The fourth proportional to 72,068.06, 108,107.85 and 25,331.42 is: 37,999.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,068.06 : 108,107.85 = 25,331.42 : x
  2. Step 2: Convert to fraction form
    72,068.06/108,107.85 = 25,331.42/x
  3. Step 3: Cross multiply
    72,068.06x = 108,107.85 × 25,331.42
  4. Step 4: Simplify right side
    72,068.06x = 2,738,525,353.65
  5. Step 5: Solve for x
    x = 2,738,525,353.65/72,068.06
  6. Step 6: Final answer
    x = 37,999.15

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1.5x scale

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.