Home / 74,854.32-103,316.33-49,365.29

Finding the Fourth Proportional to 74,854.32, 103,316.33 and 49,365.29

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Solution

The fourth proportional to 74,854.32, 103,316.33 and 49,365.29 is: 68,135.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,854.32 : 103,316.33 = 49,365.29 : x
  2. Step 2: Convert to fraction form
    74,854.32/103,316.33 = 49,365.29/x
  3. Step 3: Cross multiply
    74,854.32x = 103,316.33 × 49,365.29
  4. Step 4: Simplify right side
    74,854.32x = 5,100,239,828.78
  5. Step 5: Solve for x
    x = 5,100,239,828.78/74,854.32
  6. Step 6: Final answer
    x = 68,135.54

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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.