Home / 118,350.06-163,323.99-64,634.10

Finding the Fourth Proportional to 118,350.06, 163,323.99 and 64,634.10

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Solution

The fourth proportional to 118,350.06, 163,323.99 and 64,634.10 is: 89,195.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,350.06 : 163,323.99 = 64,634.10 : x
  2. Step 2: Convert to fraction form
    118,350.06/163,323.99 = 64,634.10/x
  3. Step 3: Cross multiply
    118,350.06x = 163,323.99 × 64,634.10
  4. Step 4: Simplify right side
    118,350.06x = 10,556,299,102.06
  5. Step 5: Solve for x
    x = 10,556,299,102.06/118,350.06
  6. Step 6: Final answer
    x = 89,195.55

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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.