Home / 85,693.24-118,254.78-47,450.56

Finding the Fourth Proportional to 85,693.24, 118,254.78 and 47,450.56

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Solution

The fourth proportional to 85,693.24, 118,254.78 and 47,450.56 is: 65,480.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,693.24 : 118,254.78 = 47,450.56 : x
  2. Step 2: Convert to fraction form
    85,693.24/118,254.78 = 47,450.56/x
  3. Step 3: Cross multiply
    85,693.24x = 118,254.78 × 47,450.56
  4. Step 4: Simplify right side
    85,693.24x = 5,611,255,533.68
  5. Step 5: Solve for x
    x = 5,611,255,533.68/85,693.24
  6. Step 6: Final answer
    x = 65,480.73

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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.