Home / 74,026.98-102,157.53-40,035.46

Finding the Fourth Proportional to 74,026.98, 102,157.53 and 40,035.46

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Solution

The fourth proportional to 74,026.98, 102,157.53 and 40,035.46 is: 55,249.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,026.98 : 102,157.53 = 40,035.46 : x
  2. Step 2: Convert to fraction form
    74,026.98/102,157.53 = 40,035.46/x
  3. Step 3: Cross multiply
    74,026.98x = 102,157.53 × 40,035.46
  4. Step 4: Simplify right side
    74,026.98x = 4,089,923,706.01
  5. Step 5: Solve for x
    x = 4,089,923,706.01/74,026.98
  6. Step 6: Final answer
    x = 55,249.10

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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.