Home / 74,569.19-102,768.56-69,834.33

Finding the Fourth Proportional to 74,569.19, 102,768.56 and 69,834.33

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Solution

The fourth proportional to 74,569.19, 102,768.56 and 69,834.33 is: 96,243.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,569.19 : 102,768.56 = 69,834.33 : x
  2. Step 2: Convert to fraction form
    74,569.19/102,768.56 = 69,834.33/x
  3. Step 3: Cross multiply
    74,569.19x = 102,768.56 × 69,834.33
  4. Step 4: Simplify right side
    74,569.19x = 7,176,773,183.49
  5. Step 5: Solve for x
    x = 7,176,773,183.49/74,569.19
  6. Step 6: Final answer
    x = 96,243.15

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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.