Home / 74,202.63-102,406.10-40,675.11

Finding the Fourth Proportional to 74,202.63, 102,406.10 and 40,675.11

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Solution

The fourth proportional to 74,202.63, 102,406.10 and 40,675.11 is: 56,135.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,202.63 : 102,406.10 = 40,675.11 : x
  2. Step 2: Convert to fraction form
    74,202.63/102,406.10 = 40,675.11/x
  3. Step 3: Cross multiply
    74,202.63x = 102,406.10 × 40,675.11
  4. Step 4: Simplify right side
    74,202.63x = 4,165,379,382.17
  5. Step 5: Solve for x
    x = 4,165,379,382.17/74,202.63
  6. Step 6: Final answer
    x = 56,135.20

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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.