Home / 99,280.32-148,884.44-54,334.90

Finding the Fourth Proportional to 99,280.32, 148,884.44 and 54,334.90

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Solution

The fourth proportional to 99,280.32, 148,884.44 and 54,334.90 is: 81,482.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,280.32 : 148,884.44 = 54,334.90 : x
  2. Step 2: Convert to fraction form
    99,280.32/148,884.44 = 54,334.90/x
  3. Step 3: Cross multiply
    99,280.32x = 148,884.44 × 54,334.90
  4. Step 4: Simplify right side
    99,280.32x = 8,089,620,515.07
  5. Step 5: Solve for x
    x = 8,089,620,515.07/99,280.32
  6. Step 6: Final answer
    x = 81,482.62

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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.