Home / 88,831.60-133,247.40-82,956.40

Finding the Fourth Proportional to 88,831.60, 133,247.40 and 82,956.40

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Solution

The fourth proportional to 88,831.60, 133,247.40 and 82,956.40 is: 124,434.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,831.60 : 133,247.40 = 82,956.40 : x
  2. Step 2: Convert to fraction form
    88,831.60/133,247.40 = 82,956.40/x
  3. Step 3: Cross multiply
    88,831.60x = 133,247.40 × 82,956.40
  4. Step 4: Simplify right side
    88,831.60x = 11,053,724,613.36
  5. Step 5: Solve for x
    x = 11,053,724,613.36/88,831.60
  6. Step 6: Final answer
    x = 124,434.60

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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.