Home / 90,536.93-135,680.31-34,317.36

Finding the Fourth Proportional to 90,536.93, 135,680.31 and 34,317.36

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Solution

The fourth proportional to 90,536.93, 135,680.31 and 34,317.36 is: 51,428.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,536.93 : 135,680.31 = 34,317.36 : x
  2. Step 2: Convert to fraction form
    90,536.93/135,680.31 = 34,317.36/x
  3. Step 3: Cross multiply
    90,536.93x = 135,680.31 × 34,317.36
  4. Step 4: Simplify right side
    90,536.93x = 4,656,190,043.18
  5. Step 5: Solve for x
    x = 4,656,190,043.18/90,536.93
  6. Step 6: Final answer
    x = 51,428.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.