Home / 118,566.44-163,619.36-64,851.28

Finding the Fourth Proportional to 118,566.44, 163,619.36 and 64,851.28

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Solution

The fourth proportional to 118,566.44, 163,619.36 and 64,851.28 is: 89,493.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,566.44 : 163,619.36 = 64,851.28 : x
  2. Step 2: Convert to fraction form
    118,566.44/163,619.36 = 64,851.28/x
  3. Step 3: Cross multiply
    118,566.44x = 163,619.36 × 64,851.28
  4. Step 4: Simplify right side
    118,566.44x = 10,610,924,928.78
  5. Step 5: Solve for x
    x = 10,610,924,928.78/118,566.44
  6. Step 6: Final answer
    x = 89,493.49

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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.