Home / 74,185.30-102,319.90-51,524.32

Finding the Fourth Proportional to 74,185.30, 102,319.90 and 51,524.32

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Solution

The fourth proportional to 74,185.30, 102,319.90 and 51,524.32 is: 71,064.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,185.30 : 102,319.90 = 51,524.32 : x
  2. Step 2: Convert to fraction form
    74,185.30/102,319.90 = 51,524.32/x
  3. Step 3: Cross multiply
    74,185.30x = 102,319.90 × 51,524.32
  4. Step 4: Simplify right side
    74,185.30x = 5,271,962,500.75
  5. Step 5: Solve for x
    x = 5,271,962,500.75/74,185.30
  6. Step 6: Final answer
    x = 71,064.79

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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.