Home / 55,575.16-76,693.72-30,424.66

Finding the Fourth Proportional to 55,575.16, 76,693.72 and 30,424.66

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Solution

The fourth proportional to 55,575.16, 76,693.72 and 30,424.66 is: 41,986.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,575.16 : 76,693.72 = 30,424.66 : x
  2. Step 2: Convert to fraction form
    55,575.16/76,693.72 = 30,424.66/x
  3. Step 3: Cross multiply
    55,575.16x = 76,693.72 × 30,424.66
  4. Step 4: Simplify right side
    55,575.16x = 2,333,380,355.14
  5. Step 5: Solve for x
    x = 2,333,380,355.14/55,575.16
  6. Step 6: Final answer
    x = 41,986.03

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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.