Home / 76,226.40-105,192.48-41,770.98

Finding the Fourth Proportional to 76,226.40, 105,192.48 and 41,770.98

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Solution

The fourth proportional to 76,226.40, 105,192.48 and 41,770.98 is: 57,643.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,226.40 : 105,192.48 = 41,770.98 : x
  2. Step 2: Convert to fraction form
    76,226.40/105,192.48 = 41,770.98/x
  3. Step 3: Cross multiply
    76,226.40x = 105,192.48 × 41,770.98
  4. Step 4: Simplify right side
    76,226.40x = 4,393,992,978.23
  5. Step 5: Solve for x
    x = 4,393,992,978.23/76,226.40
  6. Step 6: Final answer
    x = 57,643.98

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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.