Home / 65,966.08-91,050.24-40,480.96

Finding the Fourth Proportional to 65,966.08, 91,050.24 and 40,480.96

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Solution

The fourth proportional to 65,966.08, 91,050.24 and 40,480.96 is: 55,874.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,966.08 : 91,050.24 = 40,480.96 : x
  2. Step 2: Convert to fraction form
    65,966.08/91,050.24 = 40,480.96/x
  3. Step 3: Cross multiply
    65,966.08x = 91,050.24 × 40,480.96
  4. Step 4: Simplify right side
    65,966.08x = 3,685,801,123.43
  5. Step 5: Solve for x
    x = 3,685,801,123.43/65,966.08
  6. Step 6: Final answer
    x = 55,874.19

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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.