Home / 74,518.50-102,783.45-49,016.82

Finding the Fourth Proportional to 74,518.50, 102,783.45 and 49,016.82

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Solution

The fourth proportional to 74,518.50, 102,783.45 and 49,016.82 is: 67,608.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,518.50 : 102,783.45 = 49,016.82 : x
  2. Step 2: Convert to fraction form
    74,518.50/102,783.45 = 49,016.82/x
  3. Step 3: Cross multiply
    74,518.50x = 102,783.45 × 49,016.82
  4. Step 4: Simplify right side
    74,518.50x = 5,038,117,867.63
  5. Step 5: Solve for x
    x = 5,038,117,867.63/74,518.50
  6. Step 6: Final answer
    x = 67,608.95

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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.