Home / 58,822.78-81,134.40-38,673.22

Finding the Fourth Proportional to 58,822.78, 81,134.40 and 38,673.22

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Solution

The fourth proportional to 58,822.78, 81,134.40 and 38,673.22 is: 53,342.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,822.78 : 81,134.40 = 38,673.22 : x
  2. Step 2: Convert to fraction form
    58,822.78/81,134.40 = 38,673.22/x
  3. Step 3: Cross multiply
    58,822.78x = 81,134.40 × 38,673.22
  4. Step 4: Simplify right side
    58,822.78x = 3,137,728,551.35
  5. Step 5: Solve for x
    x = 3,137,728,551.35/58,822.78
  6. Step 6: Final answer
    x = 53,342.06

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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.