Home / 49,622.64-68,482.31-28,401.45

Finding the Fourth Proportional to 49,622.64, 68,482.31 and 28,401.45

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Solution

The fourth proportional to 49,622.64, 68,482.31 and 28,401.45 is: 39,195.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,622.64 : 68,482.31 = 28,401.45 : x
  2. Step 2: Convert to fraction form
    49,622.64/68,482.31 = 28,401.45/x
  3. Step 3: Cross multiply
    49,622.64x = 68,482.31 × 28,401.45
  4. Step 4: Simplify right side
    49,622.64x = 1,944,996,761.34
  5. Step 5: Solve for x
    x = 1,944,996,761.34/49,622.64
  6. Step 6: Final answer
    x = 39,195.75

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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.