Home / 75,677.49-113,516.21-35,146.89

Finding the Fourth Proportional to 75,677.49, 113,516.21 and 35,146.89

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Solution

The fourth proportional to 75,677.49, 113,516.21 and 35,146.89 is: 52,720.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,677.49 : 113,516.21 = 35,146.89 : x
  2. Step 2: Convert to fraction form
    75,677.49/113,516.21 = 35,146.89/x
  3. Step 3: Cross multiply
    75,677.49x = 113,516.21 × 35,146.89
  4. Step 4: Simplify right side
    75,677.49x = 3,989,741,833.95
  5. Step 5: Solve for x
    x = 3,989,741,833.95/75,677.49
  6. Step 6: Final answer
    x = 52,720.32

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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.