Home / 66,436.22-99,541.56-40,085.60

Finding the Fourth Proportional to 66,436.22, 99,541.56 and 40,085.60

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Solution

The fourth proportional to 66,436.22, 99,541.56 and 40,085.60 is: 60,060.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,436.22 : 99,541.56 = 40,085.60 : x
  2. Step 2: Convert to fraction form
    66,436.22/99,541.56 = 40,085.60/x
  3. Step 3: Cross multiply
    66,436.22x = 99,541.56 × 40,085.60
  4. Step 4: Simplify right side
    66,436.22x = 3,990,183,157.54
  5. Step 5: Solve for x
    x = 3,990,183,157.54/66,436.22
  6. Step 6: Final answer
    x = 60,060.36

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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.