Home / 86,771.64-130,155.02-27,610.86

Finding the Fourth Proportional to 86,771.64, 130,155.02 and 27,610.86

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Solution

The fourth proportional to 86,771.64, 130,155.02 and 27,610.86 is: 41,415.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,771.64 : 130,155.02 = 27,610.86 : x
  2. Step 2: Convert to fraction form
    86,771.64/130,155.02 = 27,610.86/x
  3. Step 3: Cross multiply
    86,771.64x = 130,155.02 × 27,610.86
  4. Step 4: Simplify right side
    86,771.64x = 3,593,692,035.52
  5. Step 5: Solve for x
    x = 3,593,692,035.52/86,771.64
  6. Step 6: Final answer
    x = 41,415.51

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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.