Home / 76,242.44-105,202.32-47,928.08

Finding the Fourth Proportional to 76,242.44, 105,202.32 and 47,928.08

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Solution

The fourth proportional to 76,242.44, 105,202.32 and 47,928.08 is: 66,133.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,242.44 : 105,202.32 = 47,928.08 : x
  2. Step 2: Convert to fraction form
    76,242.44/105,202.32 = 47,928.08/x
  3. Step 3: Cross multiply
    76,242.44x = 105,202.32 × 47,928.08
  4. Step 4: Simplify right side
    76,242.44x = 5,042,145,209.15
  5. Step 5: Solve for x
    x = 5,042,145,209.15/76,242.44
  6. Step 6: Final answer
    x = 66,133.05

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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.