Home / 74,680.38-103,096.80-49,203.45

Finding the Fourth Proportional to 74,680.38, 103,096.80 and 49,203.45

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Solution

The fourth proportional to 74,680.38, 103,096.80 and 49,203.45 is: 67,925.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,680.38 : 103,096.80 = 49,203.45 : x
  2. Step 2: Convert to fraction form
    74,680.38/103,096.80 = 49,203.45/x
  3. Step 3: Cross multiply
    74,680.38x = 103,096.80 × 49,203.45
  4. Step 4: Simplify right side
    74,680.38x = 5,072,718,243.96
  5. Step 5: Solve for x
    x = 5,072,718,243.96/74,680.38
  6. Step 6: Final answer
    x = 67,925.72

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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.