Home / 66,039-98,946.69-47,223.51

Finding the Fourth Proportional to 66,039, 98,946.69 and 47,223.51

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Solution

The fourth proportional to 66,039, 98,946.69 and 47,223.51 is: 70,755.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,039 : 98,946.69 = 47,223.51 : x
  2. Step 2: Convert to fraction form
    66,039/98,946.69 = 47,223.51/x
  3. Step 3: Cross multiply
    66,039x = 98,946.69 × 47,223.51
  4. Step 4: Simplify right side
    66,039x = 4,672,610,004.68
  5. Step 5: Solve for x
    x = 4,672,610,004.68/66,039
  6. Step 6: Final answer
    x = 70,755.31

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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.