Home / 76,202.88-105,196.44-50,751.60

Finding the Fourth Proportional to 76,202.88, 105,196.44 and 50,751.60

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Solution

The fourth proportional to 76,202.88, 105,196.44 and 50,751.60 is: 70,061.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,202.88 : 105,196.44 = 50,751.60 : x
  2. Step 2: Convert to fraction form
    76,202.88/105,196.44 = 50,751.60/x
  3. Step 3: Cross multiply
    76,202.88x = 105,196.44 × 50,751.60
  4. Step 4: Simplify right side
    76,202.88x = 5,338,887,644.30
  5. Step 5: Solve for x
    x = 5,338,887,644.30/76,202.88
  6. Step 6: Final answer
    x = 70,061.49

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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.