Home / 75,485.72-104,193.51-48,628.15

Finding the Fourth Proportional to 75,485.72, 104,193.51 and 48,628.15

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Solution

The fourth proportional to 75,485.72, 104,193.51 and 48,628.15 is: 67,121.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,485.72 : 104,193.51 = 48,628.15 : x
  2. Step 2: Convert to fraction form
    75,485.72/104,193.51 = 48,628.15/x
  3. Step 3: Cross multiply
    75,485.72x = 104,193.51 × 48,628.15
  4. Step 4: Simplify right side
    75,485.72x = 5,066,737,190.47
  5. Step 5: Solve for x
    x = 5,066,737,190.47/75,485.72
  6. Step 6: Final answer
    x = 67,121.79

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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.