Home / 118,343.07-163,313.69-64,629.27

Finding the Fourth Proportional to 118,343.07, 163,313.69 and 64,629.27

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Solution

The fourth proportional to 118,343.07, 163,313.69 and 64,629.27 is: 89,188.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,343.07 : 163,313.69 = 64,629.27 : x
  2. Step 2: Convert to fraction form
    118,343.07/163,313.69 = 64,629.27/x
  3. Step 3: Cross multiply
    118,343.07x = 163,313.69 × 64,629.27
  4. Step 4: Simplify right side
    118,343.07x = 10,554,844,242.56
  5. Step 5: Solve for x
    x = 10,554,844,242.56/118,343.07
  6. Step 6: Final answer
    x = 89,188.53

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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.