Home / 75,831.28-113,742.80-23,240.90

Finding the Fourth Proportional to 75,831.28, 113,742.80 and 23,240.90

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Solution

The fourth proportional to 75,831.28, 113,742.80 and 23,240.90 is: 34,860.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,831.28 : 113,742.80 = 23,240.90 : x
  2. Step 2: Convert to fraction form
    75,831.28/113,742.80 = 23,240.90/x
  3. Step 3: Cross multiply
    75,831.28x = 113,742.80 × 23,240.90
  4. Step 4: Simplify right side
    75,831.28x = 2,643,485,295.83
  5. Step 5: Solve for x
    x = 2,643,485,295.83/75,831.28
  6. Step 6: Final answer
    x = 34,860.09

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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.