Home / 74,683.20-103,203.64-58,893.06

Finding the Fourth Proportional to 74,683.20, 103,203.64 and 58,893.06

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Solution

The fourth proportional to 74,683.20, 103,203.64 and 58,893.06 is: 81,383.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,683.20 : 103,203.64 = 58,893.06 : x
  2. Step 2: Convert to fraction form
    74,683.20/103,203.64 = 58,893.06/x
  3. Step 3: Cross multiply
    74,683.20x = 103,203.64 × 58,893.06
  4. Step 4: Simplify right side
    74,683.20x = 6,077,978,162.74
  5. Step 5: Solve for x
    x = 6,077,978,162.74/74,683.20
  6. Step 6: Final answer
    x = 81,383.47

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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.