Home / 72,601.44-100,182.52-40,770.08

Finding the Fourth Proportional to 72,601.44, 100,182.52 and 40,770.08

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Solution

The fourth proportional to 72,601.44, 100,182.52 and 40,770.08 is: 56,258.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,601.44 : 100,182.52 = 40,770.08 : x
  2. Step 2: Convert to fraction form
    72,601.44/100,182.52 = 40,770.08/x
  3. Step 3: Cross multiply
    72,601.44x = 100,182.52 × 40,770.08
  4. Step 4: Simplify right side
    72,601.44x = 4,084,449,355.00
  5. Step 5: Solve for x
    x = 4,084,449,355.00/72,601.44
  6. Step 6: Final answer
    x = 56,258.52

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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.