Home / 66,047.01-98,989.32-30,458.92

Finding the Fourth Proportional to 66,047.01, 98,989.32 and 30,458.92

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Solution

The fourth proportional to 66,047.01, 98,989.32 and 30,458.92 is: 45,650.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,047.01 : 98,989.32 = 30,458.92 : x
  2. Step 2: Convert to fraction form
    66,047.01/98,989.32 = 30,458.92/x
  3. Step 3: Cross multiply
    66,047.01x = 98,989.32 × 30,458.92
  4. Step 4: Simplify right side
    66,047.01x = 3,015,107,981.00
  5. Step 5: Solve for x
    x = 3,015,107,981.00/66,047.01
  6. Step 6: Final answer
    x = 45,650.94

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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.