Home / 72,623.93-100,226.40-40,794.71

Finding the Fourth Proportional to 72,623.93, 100,226.40 and 40,794.71

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Solution

The fourth proportional to 72,623.93, 100,226.40 and 40,794.71 is: 56,299.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,623.93 : 100,226.40 = 40,794.71 : x
  2. Step 2: Convert to fraction form
    72,623.93/100,226.40 = 40,794.71/x
  3. Step 3: Cross multiply
    72,623.93x = 100,226.40 × 40,794.71
  4. Step 4: Simplify right side
    72,623.93x = 4,088,706,922.34
  5. Step 5: Solve for x
    x = 4,088,706,922.34/72,623.93
  6. Step 6: Final answer
    x = 56,299.72

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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.