Home / 72,829.56-100,502.46-40,994.13

Finding the Fourth Proportional to 72,829.56, 100,502.46 and 40,994.13

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Solution

The fourth proportional to 72,829.56, 100,502.46 and 40,994.13 is: 56,570.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,829.56 : 100,502.46 = 40,994.13 : x
  2. Step 2: Convert to fraction form
    72,829.56/100,502.46 = 40,994.13/x
  3. Step 3: Cross multiply
    72,829.56x = 100,502.46 × 40,994.13
  4. Step 4: Simplify right side
    72,829.56x = 4,120,010,910.56
  5. Step 5: Solve for x
    x = 4,120,010,910.56/72,829.56
  6. Step 6: Final answer
    x = 56,570.59

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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.