Home / 72,876.19-109,331.03-37,808.05

Finding the Fourth Proportional to 72,876.19, 109,331.03 and 37,808.05

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Solution

The fourth proportional to 72,876.19, 109,331.03 and 37,808.05 is: 56,720.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,876.19 : 109,331.03 = 37,808.05 : x
  2. Step 2: Convert to fraction form
    72,876.19/109,331.03 = 37,808.05/x
  3. Step 3: Cross multiply
    72,876.19x = 109,331.03 × 37,808.05
  4. Step 4: Simplify right side
    72,876.19x = 4,133,593,048.79
  5. Step 5: Solve for x
    x = 4,133,593,048.79/72,876.19
  6. Step 6: Final answer
    x = 56,720.76

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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.