Home / 117,698.04-162,421.38-63,984.41

Finding the Fourth Proportional to 117,698.04, 162,421.38 and 63,984.41

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Solution

The fourth proportional to 117,698.04, 162,421.38 and 63,984.41 is: 88,297.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,698.04 : 162,421.38 = 63,984.41 : x
  2. Step 2: Convert to fraction form
    117,698.04/162,421.38 = 63,984.41/x
  3. Step 3: Cross multiply
    117,698.04x = 162,421.38 × 63,984.41
  4. Step 4: Simplify right side
    117,698.04x = 10,392,436,170.69
  5. Step 5: Solve for x
    x = 10,392,436,170.69/117,698.04
  6. Step 6: Final answer
    x = 88,297.44

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1.5x scale

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.