Home / 74,506.22-102,815.46-42,243.01

Finding the Fourth Proportional to 74,506.22, 102,815.46 and 42,243.01

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Solution

The fourth proportional to 74,506.22, 102,815.46 and 42,243.01 is: 58,293.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,506.22 : 102,815.46 = 42,243.01 : x
  2. Step 2: Convert to fraction form
    74,506.22/102,815.46 = 42,243.01/x
  3. Step 3: Cross multiply
    74,506.22x = 102,815.46 × 42,243.01
  4. Step 4: Simplify right side
    74,506.22x = 4,343,234,826.23
  5. Step 5: Solve for x
    x = 4,343,234,826.23/74,506.22
  6. Step 6: Final answer
    x = 58,293.58

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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.