Home / 80,831.05-121,246.57-24,671.45

Finding the Fourth Proportional to 80,831.05, 121,246.57 and 24,671.45

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Solution

The fourth proportional to 80,831.05, 121,246.57 and 24,671.45 is: 37,007.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,831.05 : 121,246.57 = 24,671.45 : x
  2. Step 2: Convert to fraction form
    80,831.05/121,246.57 = 24,671.45/x
  3. Step 3: Cross multiply
    80,831.05x = 121,246.57 × 24,671.45
  4. Step 4: Simplify right side
    80,831.05x = 2,991,328,021.52
  5. Step 5: Solve for x
    x = 2,991,328,021.52/80,831.05
  6. Step 6: Final answer
    x = 37,007.17

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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.