Home / 69,623.70-104,435.55-43,314.90

Finding the Fourth Proportional to 69,623.70, 104,435.55 and 43,314.90

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Solution

The fourth proportional to 69,623.70, 104,435.55 and 43,314.90 is: 64,972.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,623.70 : 104,435.55 = 43,314.90 : x
  2. Step 2: Convert to fraction form
    69,623.70/104,435.55 = 43,314.90/x
  3. Step 3: Cross multiply
    69,623.70x = 104,435.55 × 43,314.90
  4. Step 4: Simplify right side
    69,623.70x = 4,523,615,404.70
  5. Step 5: Solve for x
    x = 4,523,615,404.70/69,623.70
  6. Step 6: Final answer
    x = 64,972.35

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1.5x scale

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.