Home / 72,983.22-100,716.98-39,449.22

Finding the Fourth Proportional to 72,983.22, 100,716.98 and 39,449.22

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Solution

The fourth proportional to 72,983.22, 100,716.98 and 39,449.22 is: 54,440.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,983.22 : 100,716.98 = 39,449.22 : x
  2. Step 2: Convert to fraction form
    72,983.22/100,716.98 = 39,449.22/x
  3. Step 3: Cross multiply
    72,983.22x = 100,716.98 × 39,449.22
  4. Step 4: Simplify right side
    72,983.22x = 3,973,206,301.76
  5. Step 5: Solve for x
    x = 3,973,206,301.76/72,983.22
  6. Step 6: Final answer
    x = 54,440.00

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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.