Home / 72,825.06-100,498.32-40,994.04

Finding the Fourth Proportional to 72,825.06, 100,498.32 and 40,994.04

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Solution

The fourth proportional to 72,825.06, 100,498.32 and 40,994.04 is: 56,571.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,825.06 : 100,498.32 = 40,994.04 : x
  2. Step 2: Convert to fraction form
    72,825.06/100,498.32 = 40,994.04/x
  3. Step 3: Cross multiply
    72,825.06x = 100,498.32 × 40,994.04
  4. Step 4: Simplify right side
    72,825.06x = 4,119,832,150.01
  5. Step 5: Solve for x
    x = 4,119,832,150.01/72,825.06
  6. Step 6: Final answer
    x = 56,571.63

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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.