Home / 98,091.95-147,202.55-53,749.83

Finding the Fourth Proportional to 98,091.95, 147,202.55 and 53,749.83

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Solution

The fourth proportional to 98,091.95, 147,202.55 and 53,749.83 is: 80,660.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,091.95 : 147,202.55 = 53,749.83 : x
  2. Step 2: Convert to fraction form
    98,091.95/147,202.55 = 53,749.83/x
  3. Step 3: Cross multiply
    98,091.95x = 147,202.55 × 53,749.83
  4. Step 4: Simplify right side
    98,091.95x = 7,912,111,769.32
  5. Step 5: Solve for x
    x = 7,912,111,769.32/98,091.95
  6. Step 6: Final answer
    x = 80,660.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.