Home / 105,261.44-145,243.98-59,940.30

Finding the Fourth Proportional to 105,261.44, 145,243.98 and 59,940.30

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Solution

The fourth proportional to 105,261.44, 145,243.98 and 59,940.30 is: 82,708.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,261.44 : 145,243.98 = 59,940.30 : x
  2. Step 2: Convert to fraction form
    105,261.44/145,243.98 = 59,940.30/x
  3. Step 3: Cross multiply
    105,261.44x = 145,243.98 × 59,940.30
  4. Step 4: Simplify right side
    105,261.44x = 8,705,968,279.06
  5. Step 5: Solve for x
    x = 8,705,968,279.06/105,261.44
  6. Step 6: Final answer
    x = 82,708.05

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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.