Home / 72,961.08-100,688.34-44,286

Finding the Fourth Proportional to 72,961.08, 100,688.34 and 44,286

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Solution

The fourth proportional to 72,961.08, 100,688.34 and 44,286 is: 61,115.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,961.08 : 100,688.34 = 44,286 : x
  2. Step 2: Convert to fraction form
    72,961.08/100,688.34 = 44,286/x
  3. Step 3: Cross multiply
    72,961.08x = 100,688.34 × 44,286
  4. Step 4: Simplify right side
    72,961.08x = 4,459,083,825.24
  5. Step 5: Solve for x
    x = 4,459,083,825.24/72,961.08
  6. Step 6: Final answer
    x = 61,115.92

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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.