Home / 89,140.44-133,683.30-29,959.32

Finding the Fourth Proportional to 89,140.44, 133,683.30 and 29,959.32

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Solution

The fourth proportional to 89,140.44, 133,683.30 and 29,959.32 is: 44,929.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,140.44 : 133,683.30 = 29,959.32 : x
  2. Step 2: Convert to fraction form
    89,140.44/133,683.30 = 29,959.32/x
  3. Step 3: Cross multiply
    89,140.44x = 133,683.30 × 29,959.32
  4. Step 4: Simplify right side
    89,140.44x = 4,005,060,763.36
  5. Step 5: Solve for x
    x = 4,005,060,763.36/89,140.44
  6. Step 6: Final answer
    x = 44,929.78

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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.