Home / 45,781.93-63,171.76-25,639.66

Finding the Fourth Proportional to 45,781.93, 63,171.76 and 25,639.66

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Solution

The fourth proportional to 45,781.93, 63,171.76 and 25,639.66 is: 35,378.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,781.93 : 63,171.76 = 25,639.66 : x
  2. Step 2: Convert to fraction form
    45,781.93/63,171.76 = 25,639.66/x
  3. Step 3: Cross multiply
    45,781.93x = 63,171.76 × 25,639.66
  4. Step 4: Simplify right side
    45,781.93x = 1,619,702,448.00
  5. Step 5: Solve for x
    x = 1,619,702,448.00/45,781.93
  6. Step 6: Final answer
    x = 35,378.64

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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.