Home / 43,565.15-65,396.33-40,709.90

Finding the Fourth Proportional to 43,565.15, 65,396.33 and 40,709.90

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Solution

The fourth proportional to 43,565.15, 65,396.33 and 40,709.90 is: 61,110.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,565.15 : 65,396.33 = 40,709.90 : x
  2. Step 2: Convert to fraction form
    43,565.15/65,396.33 = 40,709.90/x
  3. Step 3: Cross multiply
    43,565.15x = 65,396.33 × 40,709.90
  4. Step 4: Simplify right side
    43,565.15x = 2,662,277,851.12
  5. Step 5: Solve for x
    x = 2,662,277,851.12/43,565.15
  6. Step 6: Final answer
    x = 61,110.26

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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.