Home / 72,627.27-100,225.69-40,796.19

Finding the Fourth Proportional to 72,627.27, 100,225.69 and 40,796.19

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Solution

The fourth proportional to 72,627.27, 100,225.69 and 40,796.19 is: 56,298.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,627.27 : 100,225.69 = 40,796.19 : x
  2. Step 2: Convert to fraction form
    72,627.27/100,225.69 = 40,796.19/x
  3. Step 3: Cross multiply
    72,627.27x = 100,225.69 × 40,796.19
  4. Step 4: Simplify right side
    72,627.27x = 4,088,826,088.14
  5. Step 5: Solve for x
    x = 4,088,826,088.14/72,627.27
  6. Step 6: Final answer
    x = 56,298.78

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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.