Home / 74,429.23-102,714.24-40,437.37

Finding the Fourth Proportional to 74,429.23, 102,714.24 and 40,437.37

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Solution

The fourth proportional to 74,429.23, 102,714.24 and 40,437.37 is: 55,804.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,429.23 : 102,714.24 = 40,437.37 : x
  2. Step 2: Convert to fraction form
    74,429.23/102,714.24 = 40,437.37/x
  3. Step 3: Cross multiply
    74,429.23x = 102,714.24 × 40,437.37
  4. Step 4: Simplify right side
    74,429.23x = 4,153,493,727.15
  5. Step 5: Solve for x
    x = 4,153,493,727.15/74,429.23
  6. Step 6: Final answer
    x = 55,804.60

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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.