Home / 51,776.19-77,565.34-43,396.33

Finding the Fourth Proportional to 51,776.19, 77,565.34 and 43,396.33

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Solution

The fourth proportional to 51,776.19, 77,565.34 and 43,396.33 is: 65,011.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,776.19 : 77,565.34 = 43,396.33 : x
  2. Step 2: Convert to fraction form
    51,776.19/77,565.34 = 43,396.33/x
  3. Step 3: Cross multiply
    51,776.19x = 77,565.34 × 43,396.33
  4. Step 4: Simplify right side
    51,776.19x = 3,366,051,091.20
  5. Step 5: Solve for x
    x = 3,366,051,091.20/51,776.19
  6. Step 6: Final answer
    x = 65,011.56

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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.