Home / 80,416.04-120,631.74-36,041

Finding the Fourth Proportional to 80,416.04, 120,631.74 and 36,041

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Solution

The fourth proportional to 80,416.04, 120,631.74 and 36,041 is: 54,064.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,416.04 : 120,631.74 = 36,041 : x
  2. Step 2: Convert to fraction form
    80,416.04/120,631.74 = 36,041/x
  3. Step 3: Cross multiply
    80,416.04x = 120,631.74 × 36,041
  4. Step 4: Simplify right side
    80,416.04x = 4,347,688,541.34
  5. Step 5: Solve for x
    x = 4,347,688,541.34/80,416.04
  6. Step 6: Final answer
    x = 54,064.94

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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.