Home / 86,201.93-129,301.61-38,783.54

Finding the Fourth Proportional to 86,201.93, 129,301.61 and 38,783.54

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Solution

The fourth proportional to 86,201.93, 129,301.61 and 38,783.54 is: 58,174.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,201.93 : 129,301.61 = 38,783.54 : x
  2. Step 2: Convert to fraction form
    86,201.93/129,301.61 = 38,783.54/x
  3. Step 3: Cross multiply
    86,201.93x = 129,301.61 × 38,783.54
  4. Step 4: Simplify right side
    86,201.93x = 5,014,774,292.84
  5. Step 5: Solve for x
    x = 5,014,774,292.84/86,201.93
  6. Step 6: Final answer
    x = 58,174.73

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1.5x scale

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.