Home / 55,448.93-76,519.64-31,575.62

Finding the Fourth Proportional to 55,448.93, 76,519.64 and 31,575.62

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Solution

The fourth proportional to 55,448.93, 76,519.64 and 31,575.62 is: 43,574.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,448.93 : 76,519.64 = 31,575.62 : x
  2. Step 2: Convert to fraction form
    55,448.93/76,519.64 = 31,575.62/x
  3. Step 3: Cross multiply
    55,448.93x = 76,519.64 × 31,575.62
  4. Step 4: Simplify right side
    55,448.93x = 2,416,155,167.80
  5. Step 5: Solve for x
    x = 2,416,155,167.80/55,448.93
  6. Step 6: Final answer
    x = 43,574.42

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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.