Home / 86,831.01-130,245.12-27,666.27

Finding the Fourth Proportional to 86,831.01, 130,245.12 and 27,666.27

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Solution

The fourth proportional to 86,831.01, 130,245.12 and 27,666.27 is: 41,498.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,831.01 : 130,245.12 = 27,666.27 : x
  2. Step 2: Convert to fraction form
    86,831.01/130,245.12 = 27,666.27/x
  3. Step 3: Cross multiply
    86,831.01x = 130,245.12 × 27,666.27
  4. Step 4: Simplify right side
    86,831.01x = 3,603,396,656.10
  5. Step 5: Solve for x
    x = 3,603,396,656.10/86,831.01
  6. Step 6: Final answer
    x = 41,498.96

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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.