Home / 55,852.15-77,076.38-30,358.51

Finding the Fourth Proportional to 55,852.15, 77,076.38 and 30,358.51

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Solution

The fourth proportional to 55,852.15, 77,076.38 and 30,358.51 is: 41,894.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,852.15 : 77,076.38 = 30,358.51 : x
  2. Step 2: Convert to fraction form
    55,852.15/77,076.38 = 30,358.51/x
  3. Step 3: Cross multiply
    55,852.15x = 77,076.38 × 30,358.51
  4. Step 4: Simplify right side
    55,852.15x = 2,339,924,052.99
  5. Step 5: Solve for x
    x = 2,339,924,052.99/55,852.15
  6. Step 6: Final answer
    x = 41,894.97

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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.