Home / 72,400.12-108,533.36-50,223.96

Finding the Fourth Proportional to 72,400.12, 108,533.36 and 50,223.96

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Solution

The fourth proportional to 72,400.12, 108,533.36 and 50,223.96 is: 75,289.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,400.12 : 108,533.36 = 50,223.96 : x
  2. Step 2: Convert to fraction form
    72,400.12/108,533.36 = 50,223.96/x
  3. Step 3: Cross multiply
    72,400.12x = 108,533.36 × 50,223.96
  4. Step 4: Simplify right side
    72,400.12x = 5,450,975,131.31
  5. Step 5: Solve for x
    x = 5,450,975,131.31/72,400.12
  6. Step 6: Final answer
    x = 75,289.59

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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.