Home / 98,429.58-135,790.22-60,190.80

Finding the Fourth Proportional to 98,429.58, 135,790.22 and 60,190.80

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Solution

The fourth proportional to 98,429.58, 135,790.22 and 60,190.80 is: 83,037.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,429.58 : 135,790.22 = 60,190.80 : x
  2. Step 2: Convert to fraction form
    98,429.58/135,790.22 = 60,190.80/x
  3. Step 3: Cross multiply
    98,429.58x = 135,790.22 × 60,190.80
  4. Step 4: Simplify right side
    98,429.58x = 8,173,321,615.24
  5. Step 5: Solve for x
    x = 8,173,321,615.24/98,429.58
  6. Step 6: Final answer
    x = 83,037.25

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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.