Home / 81,594.30-122,439.96-44,153.61

Finding the Fourth Proportional to 81,594.30, 122,439.96 and 44,153.61

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Solution

The fourth proportional to 81,594.30, 122,439.96 and 44,153.61 is: 66,256.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,594.30 : 122,439.96 = 44,153.61 : x
  2. Step 2: Convert to fraction form
    81,594.30/122,439.96 = 44,153.61/x
  3. Step 3: Cross multiply
    81,594.30x = 122,439.96 × 44,153.61
  4. Step 4: Simplify right side
    81,594.30x = 5,406,166,242.26
  5. Step 5: Solve for x
    x = 5,406,166,242.26/81,594.30
  6. Step 6: Final answer
    x = 66,256.67

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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.