Home / 65,690.65-98,442.82-50,830.39

Finding the Fourth Proportional to 65,690.65, 98,442.82 and 50,830.39

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Solution

The fourth proportional to 65,690.65, 98,442.82 and 50,830.39 is: 76,173.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,690.65 : 98,442.82 = 50,830.39 : x
  2. Step 2: Convert to fraction form
    65,690.65/98,442.82 = 50,830.39/x
  3. Step 3: Cross multiply
    65,690.65x = 98,442.82 × 50,830.39
  4. Step 4: Simplify right side
    65,690.65x = 5,003,886,933.30
  5. Step 5: Solve for x
    x = 5,003,886,933.30/65,690.65
  6. Step 6: Final answer
    x = 76,173.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.