Home / 72,480.46-100,000.33-41,849.55

Finding the Fourth Proportional to 72,480.46, 100,000.33 and 41,849.55

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Solution

The fourth proportional to 72,480.46, 100,000.33 and 41,849.55 is: 57,739.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,480.46 : 100,000.33 = 41,849.55 : x
  2. Step 2: Convert to fraction form
    72,480.46/100,000.33 = 41,849.55/x
  3. Step 3: Cross multiply
    72,480.46x = 100,000.33 × 41,849.55
  4. Step 4: Simplify right side
    72,480.46x = 4,184,968,810.35
  5. Step 5: Solve for x
    x = 4,184,968,810.35/72,480.46
  6. Step 6: Final answer
    x = 57,739.27

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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.