Home / 72,627.54-100,223.38-40,795.75

Finding the Fourth Proportional to 72,627.54, 100,223.38 and 40,795.75

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Solution

The fourth proportional to 72,627.54, 100,223.38 and 40,795.75 is: 56,296.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,627.54 : 100,223.38 = 40,795.75 : x
  2. Step 2: Convert to fraction form
    72,627.54/100,223.38 = 40,795.75/x
  3. Step 3: Cross multiply
    72,627.54x = 100,223.38 × 40,795.75
  4. Step 4: Simplify right side
    72,627.54x = 4,088,687,901.43
  5. Step 5: Solve for x
    x = 4,088,687,901.43/72,627.54
  6. Step 6: Final answer
    x = 56,296.66

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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.