Home / 64,678.10-89,256.03-36,381.96

Finding the Fourth Proportional to 64,678.10, 89,256.03 and 36,381.96

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Solution

The fourth proportional to 64,678.10, 89,256.03 and 36,381.96 is: 50,207.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,678.10 : 89,256.03 = 36,381.96 : x
  2. Step 2: Convert to fraction form
    64,678.10/89,256.03 = 36,381.96/x
  3. Step 3: Cross multiply
    64,678.10x = 89,256.03 × 36,381.96
  4. Step 4: Simplify right side
    64,678.10x = 3,247,309,176.79
  5. Step 5: Solve for x
    x = 3,247,309,176.79/64,678.10
  6. Step 6: Final answer
    x = 50,207.25

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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.