Home / 72,193.56-99,587.12-41,975.54

Finding the Fourth Proportional to 72,193.56, 99,587.12 and 41,975.54

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Solution

The fourth proportional to 72,193.56, 99,587.12 and 41,975.54 is: 57,902.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,193.56 : 99,587.12 = 41,975.54 : x
  2. Step 2: Convert to fraction form
    72,193.56/99,587.12 = 41,975.54/x
  3. Step 3: Cross multiply
    72,193.56x = 99,587.12 × 41,975.54
  4. Step 4: Simplify right side
    72,193.56x = 4,180,223,230.60
  5. Step 5: Solve for x
    x = 4,180,223,230.60/72,193.56
  6. Step 6: Final answer
    x = 57,902.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.