Home / 98,091.54-135,362.34-55,649.16

Finding the Fourth Proportional to 98,091.54, 135,362.34 and 55,649.16

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Solution

The fourth proportional to 98,091.54, 135,362.34 and 55,649.16 is: 76,793.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,091.54 : 135,362.34 = 55,649.16 : x
  2. Step 2: Convert to fraction form
    98,091.54/135,362.34 = 55,649.16/x
  3. Step 3: Cross multiply
    98,091.54x = 135,362.34 × 55,649.16
  4. Step 4: Simplify right side
    98,091.54x = 7,532,800,516.63
  5. Step 5: Solve for x
    x = 7,532,800,516.63/98,091.54
  6. Step 6: Final answer
    x = 76,793.58

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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.