Home / 75,570.86-113,076.68-45,602.43

Finding the Fourth Proportional to 75,570.86, 113,076.68 and 45,602.43

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Solution

The fourth proportional to 75,570.86, 113,076.68 and 45,602.43 is: 68,234.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,570.86 : 113,076.68 = 45,602.43 : x
  2. Step 2: Convert to fraction form
    75,570.86/113,076.68 = 45,602.43/x
  3. Step 3: Cross multiply
    75,570.86x = 113,076.68 × 45,602.43
  4. Step 4: Simplify right side
    75,570.86x = 5,156,571,117.05
  5. Step 5: Solve for x
    x = 5,156,571,117.05/75,570.86
  6. Step 6: Final answer
    x = 68,234.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.