Home / 55,484.07-76,570.43-31,293.15

Finding the Fourth Proportional to 55,484.07, 76,570.43 and 31,293.15

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Solution

The fourth proportional to 55,484.07, 76,570.43 and 31,293.15 is: 43,185.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,484.07 : 76,570.43 = 31,293.15 : x
  2. Step 2: Convert to fraction form
    55,484.07/76,570.43 = 31,293.15/x
  3. Step 3: Cross multiply
    55,484.07x = 76,570.43 × 31,293.15
  4. Step 4: Simplify right side
    55,484.07x = 2,396,129,795.09
  5. Step 5: Solve for x
    x = 2,396,129,795.09/55,484.07
  6. Step 6: Final answer
    x = 43,185.91

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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.