Home / 74,276.52-102,503.98-40,745.64

Finding the Fourth Proportional to 74,276.52, 102,503.98 and 40,745.64

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Solution

The fourth proportional to 74,276.52, 102,503.98 and 40,745.64 is: 56,230.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,276.52 : 102,503.98 = 40,745.64 : x
  2. Step 2: Convert to fraction form
    74,276.52/102,503.98 = 40,745.64/x
  3. Step 3: Cross multiply
    74,276.52x = 102,503.98 × 40,745.64
  4. Step 4: Simplify right side
    74,276.52x = 4,176,590,267.65
  5. Step 5: Solve for x
    x = 4,176,590,267.65/74,276.52
  6. Step 6: Final answer
    x = 56,230.29

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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.