Home / 64,991.19-89,686.53-36,696.27

Finding the Fourth Proportional to 64,991.19, 89,686.53 and 36,696.27

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Solution

The fourth proportional to 64,991.19, 89,686.53 and 36,696.27 is: 50,640.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,991.19 : 89,686.53 = 36,696.27 : x
  2. Step 2: Convert to fraction form
    64,991.19/89,686.53 = 36,696.27/x
  3. Step 3: Cross multiply
    64,991.19x = 89,686.53 × 36,696.27
  4. Step 4: Simplify right side
    64,991.19x = 3,291,161,120.24
  5. Step 5: Solve for x
    x = 3,291,161,120.24/64,991.19
  6. Step 6: Final answer
    x = 50,640.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.