Home / 72,475.24-108,920.22-35,565.16

Finding the Fourth Proportional to 72,475.24, 108,920.22 and 35,565.16

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Solution

The fourth proportional to 72,475.24, 108,920.22 and 35,565.16 is: 53,449.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,475.24 : 108,920.22 = 35,565.16 : x
  2. Step 2: Convert to fraction form
    72,475.24/108,920.22 = 35,565.16/x
  3. Step 3: Cross multiply
    72,475.24x = 108,920.22 × 35,565.16
  4. Step 4: Simplify right side
    72,475.24x = 3,873,765,051.54
  5. Step 5: Solve for x
    x = 3,873,765,051.54/72,475.24
  6. Step 6: Final answer
    x = 53,449.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.