Home / 89,008.40-122,831.78-48,724.74

Finding the Fourth Proportional to 89,008.40, 122,831.78 and 48,724.74

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Solution

The fourth proportional to 89,008.40, 122,831.78 and 48,724.74 is: 67,240.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,008.40 : 122,831.78 = 48,724.74 : x
  2. Step 2: Convert to fraction form
    89,008.40/122,831.78 = 48,724.74/x
  3. Step 3: Cross multiply
    89,008.40x = 122,831.78 × 48,724.74
  4. Step 4: Simplify right side
    89,008.40x = 5,984,946,544.24
  5. Step 5: Solve for x
    x = 5,984,946,544.24/89,008.40
  6. Step 6: Final answer
    x = 67,240.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.