Home / 74,632.50-103,080.33-49,438.26

Finding the Fourth Proportional to 74,632.50, 103,080.33 and 49,438.26

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Solution

The fourth proportional to 74,632.50, 103,080.33 and 49,438.26 is: 68,282.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,632.50 : 103,080.33 = 49,438.26 : x
  2. Step 2: Convert to fraction form
    74,632.50/103,080.33 = 49,438.26/x
  3. Step 3: Cross multiply
    74,632.50x = 103,080.33 × 49,438.26
  4. Step 4: Simplify right side
    74,632.50x = 5,096,112,155.43
  5. Step 5: Solve for x
    x = 5,096,112,155.43/74,632.50
  6. Step 6: Final answer
    x = 68,282.75

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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.