Home / 81,624.41-122,483.88-34,235.28

Finding the Fourth Proportional to 81,624.41, 122,483.88 and 34,235.28

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Solution

The fourth proportional to 81,624.41, 122,483.88 and 34,235.28 is: 51,372.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,624.41 : 122,483.88 = 34,235.28 : x
  2. Step 2: Convert to fraction form
    81,624.41/122,483.88 = 34,235.28/x
  3. Step 3: Cross multiply
    81,624.41x = 122,483.88 × 34,235.28
  4. Step 4: Simplify right side
    81,624.41x = 4,193,269,798.90
  5. Step 5: Solve for x
    x = 4,193,269,798.90/81,624.41
  6. Step 6: Final answer
    x = 51,372.75

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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.