Home / 64,415.05-88,892.44-36,120.74

Finding the Fourth Proportional to 64,415.05, 88,892.44 and 36,120.74

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Solution

The fourth proportional to 64,415.05, 88,892.44 and 36,120.74 is: 49,846.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,415.05 : 88,892.44 = 36,120.74 : x
  2. Step 2: Convert to fraction form
    64,415.05/88,892.44 = 36,120.74/x
  3. Step 3: Cross multiply
    64,415.05x = 88,892.44 × 36,120.74
  4. Step 4: Simplify right side
    64,415.05x = 3,210,860,178.44
  5. Step 5: Solve for x
    x = 3,210,860,178.44/64,415.05
  6. Step 6: Final answer
    x = 49,846.43

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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.