Home / 74,731.96-103,071.78-47,876.96

Finding the Fourth Proportional to 74,731.96, 103,071.78 and 47,876.96

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Solution

The fourth proportional to 74,731.96, 103,071.78 and 47,876.96 is: 66,032.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,731.96 : 103,071.78 = 47,876.96 : x
  2. Step 2: Convert to fraction form
    74,731.96/103,071.78 = 47,876.96/x
  3. Step 3: Cross multiply
    74,731.96x = 103,071.78 × 47,876.96
  4. Step 4: Simplify right side
    74,731.96x = 4,934,763,488.19
  5. Step 5: Solve for x
    x = 4,934,763,488.19/74,731.96
  6. Step 6: Final answer
    x = 66,032.84

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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.