Home / 76,015.60-114,088.20-33,960.40

Finding the Fourth Proportional to 76,015.60, 114,088.20 and 33,960.40

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Solution

The fourth proportional to 76,015.60, 114,088.20 and 33,960.40 is: 50,969.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,015.60 : 114,088.20 = 33,960.40 : x
  2. Step 2: Convert to fraction form
    76,015.60/114,088.20 = 33,960.40/x
  3. Step 3: Cross multiply
    76,015.60x = 114,088.20 × 33,960.40
  4. Step 4: Simplify right side
    76,015.60x = 3,874,480,907.28
  5. Step 5: Solve for x
    x = 3,874,480,907.28/76,015.60
  6. Step 6: Final answer
    x = 50,969.55

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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.