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Finding the Fourth Proportional to 74,048.58, 110,974.46 and 64,141.47

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Solution

The fourth proportional to 74,048.58, 110,974.46 and 64,141.47 is: 96,126.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,048.58 : 110,974.46 = 64,141.47 : x
  2. Step 2: Convert to fraction form
    74,048.58/110,974.46 = 64,141.47/x
  3. Step 3: Cross multiply
    74,048.58x = 110,974.46 × 64,141.47
  4. Step 4: Simplify right side
    74,048.58x = 7,118,064,676.15
  5. Step 5: Solve for x
    x = 7,118,064,676.15/74,048.58
  6. Step 6: Final answer
    x = 96,126.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.