Home / 72,823.92-109,278.32-30,701.41

Finding the Fourth Proportional to 72,823.92, 109,278.32 and 30,701.41

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Solution

The fourth proportional to 72,823.92, 109,278.32 and 30,701.41 is: 46,070.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,823.92 : 109,278.32 = 30,701.41 : x
  2. Step 2: Convert to fraction form
    72,823.92/109,278.32 = 30,701.41/x
  3. Step 3: Cross multiply
    72,823.92x = 109,278.32 × 30,701.41
  4. Step 4: Simplify right side
    72,823.92x = 3,354,998,506.43
  5. Step 5: Solve for x
    x = 3,354,998,506.43/72,823.92
  6. Step 6: Final answer
    x = 46,070.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.