Home / 74,854.07-103,315.98-49,365.03

Finding the Fourth Proportional to 74,854.07, 103,315.98 and 49,365.03

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Solution

The fourth proportional to 74,854.07, 103,315.98 and 49,365.03 is: 68,135.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,854.07 : 103,315.98 = 49,365.03 : x
  2. Step 2: Convert to fraction form
    74,854.07/103,315.98 = 49,365.03/x
  3. Step 3: Cross multiply
    74,854.07x = 103,315.98 × 49,365.03
  4. Step 4: Simplify right side
    74,854.07x = 5,100,196,452.18
  5. Step 5: Solve for x
    x = 5,100,196,452.18/74,854.07
  6. Step 6: Final answer
    x = 68,135.19

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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.