Home / 74,552.55-102,883.53-40,561.44

Finding the Fourth Proportional to 74,552.55, 102,883.53 and 40,561.44

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Solution

The fourth proportional to 74,552.55, 102,883.53 and 40,561.44 is: 55,975.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,552.55 : 102,883.53 = 40,561.44 : x
  2. Step 2: Convert to fraction form
    74,552.55/102,883.53 = 40,561.44/x
  3. Step 3: Cross multiply
    74,552.55x = 102,883.53 × 40,561.44
  4. Step 4: Simplify right side
    74,552.55x = 4,173,104,360.02
  5. Step 5: Solve for x
    x = 4,173,104,360.02/74,552.55
  6. Step 6: Final answer
    x = 55,975.34

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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.