Home / 89,836.60-134,831.70-39,993.40

Finding the Fourth Proportional to 89,836.60, 134,831.70 and 39,993.40

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Solution

The fourth proportional to 89,836.60, 134,831.70 and 39,993.40 is: 60,024.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,836.60 : 134,831.70 = 39,993.40 : x
  2. Step 2: Convert to fraction form
    89,836.60/134,831.70 = 39,993.40/x
  3. Step 3: Cross multiply
    89,836.60x = 134,831.70 × 39,993.40
  4. Step 4: Simplify right side
    89,836.60x = 5,392,378,110.78
  5. Step 5: Solve for x
    x = 5,392,378,110.78/89,836.60
  6. Step 6: Final answer
    x = 60,024.29

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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.