Home / 72,567.46-100,144.67-40,736.29

Finding the Fourth Proportional to 72,567.46, 100,144.67 and 40,736.29

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Solution

The fourth proportional to 72,567.46, 100,144.67 and 40,736.29 is: 56,216.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,567.46 : 100,144.67 = 40,736.29 : x
  2. Step 2: Convert to fraction form
    72,567.46/100,144.67 = 40,736.29/x
  3. Step 3: Cross multiply
    72,567.46x = 100,144.67 × 40,736.29
  4. Step 4: Simplify right side
    72,567.46x = 4,079,522,319.07
  5. Step 5: Solve for x
    x = 4,079,522,319.07/72,567.46
  6. Step 6: Final answer
    x = 56,216.96

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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.