Home / 72,634.07-100,224.10-40,796.87

Finding the Fourth Proportional to 72,634.07, 100,224.10 and 40,796.87

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Solution

The fourth proportional to 72,634.07, 100,224.10 and 40,796.87 is: 56,293.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,634.07 : 100,224.10 = 40,796.87 : x
  2. Step 2: Convert to fraction form
    72,634.07/100,224.10 = 40,796.87/x
  3. Step 3: Cross multiply
    72,634.07x = 100,224.10 × 40,796.87
  4. Step 4: Simplify right side
    72,634.07x = 4,088,829,578.57
  5. Step 5: Solve for x
    x = 4,088,829,578.57/72,634.07
  6. Step 6: Final answer
    x = 56,293.55

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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.