Home / 98,004.96-135,239.22-55,570.32

Finding the Fourth Proportional to 98,004.96, 135,239.22 and 55,570.32

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Solution

The fourth proportional to 98,004.96, 135,239.22 and 55,570.32 is: 76,682.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,004.96 : 135,239.22 = 55,570.32 : x
  2. Step 2: Convert to fraction form
    98,004.96/135,239.22 = 55,570.32/x
  3. Step 3: Cross multiply
    98,004.96x = 135,239.22 × 55,570.32
  4. Step 4: Simplify right side
    98,004.96x = 7,515,286,731.95
  5. Step 5: Solve for x
    x = 7,515,286,731.95/98,004.96
  6. Step 6: Final answer
    x = 76,682.72

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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.