Home / 55,828.78-77,044.03-30,335.36

Finding the Fourth Proportional to 55,828.78, 77,044.03 and 30,335.36

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Solution

The fourth proportional to 55,828.78, 77,044.03 and 30,335.36 is: 41,862.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,828.78 : 77,044.03 = 30,335.36 : x
  2. Step 2: Convert to fraction form
    55,828.78/77,044.03 = 30,335.36/x
  3. Step 3: Cross multiply
    55,828.78x = 77,044.03 × 30,335.36
  4. Step 4: Simplify right side
    55,828.78x = 2,337,157,924.84
  5. Step 5: Solve for x
    x = 2,337,157,924.84/55,828.78
  6. Step 6: Final answer
    x = 41,862.96

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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.