Home / 72,633.07-100,222.73-40,795.87

Finding the Fourth Proportional to 72,633.07, 100,222.73 and 40,795.87

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Solution

The fourth proportional to 72,633.07, 100,222.73 and 40,795.87 is: 56,292.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,633.07 : 100,222.73 = 40,795.87 : x
  2. Step 2: Convert to fraction form
    72,633.07/100,222.73 = 40,795.87/x
  3. Step 3: Cross multiply
    72,633.07x = 100,222.73 × 40,795.87
  4. Step 4: Simplify right side
    72,633.07x = 4,088,673,260.15
  5. Step 5: Solve for x
    x = 4,088,673,260.15/72,633.07
  6. Step 6: Final answer
    x = 56,292.17

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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.