Home / 74,018.21-102,137.15-43,804.80

Finding the Fourth Proportional to 74,018.21, 102,137.15 and 43,804.80

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Solution

The fourth proportional to 74,018.21, 102,137.15 and 43,804.80 is: 60,445.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,018.21 : 102,137.15 = 43,804.80 : x
  2. Step 2: Convert to fraction form
    74,018.21/102,137.15 = 43,804.80/x
  3. Step 3: Cross multiply
    74,018.21x = 102,137.15 × 43,804.80
  4. Step 4: Simplify right side
    74,018.21x = 4,474,097,537.83
  5. Step 5: Solve for x
    x = 4,474,097,537.83/74,018.21
  6. Step 6: Final answer
    x = 60,445.91

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1.5x scale

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.