Home / 74,351.76-102,569.40-49,222.32

Finding the Fourth Proportional to 74,351.76, 102,569.40 and 49,222.32

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Solution

The fourth proportional to 74,351.76, 102,569.40 and 49,222.32 is: 67,902.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,351.76 : 102,569.40 = 49,222.32 : x
  2. Step 2: Convert to fraction form
    74,351.76/102,569.40 = 49,222.32/x
  3. Step 3: Cross multiply
    74,351.76x = 102,569.40 × 49,222.32
  4. Step 4: Simplify right side
    74,351.76x = 5,048,703,829.01
  5. Step 5: Solve for x
    x = 5,048,703,829.01/74,351.76
  6. Step 6: Final answer
    x = 67,902.95

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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.