Home / 105,394.37-145,440.55-60,086.94

Finding the Fourth Proportional to 105,394.37, 145,440.55 and 60,086.94

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Solution

The fourth proportional to 105,394.37, 145,440.55 and 60,086.94 is: 82,917.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,394.37 : 145,440.55 = 60,086.94 : x
  2. Step 2: Convert to fraction form
    105,394.37/145,440.55 = 60,086.94/x
  3. Step 3: Cross multiply
    105,394.37x = 145,440.55 × 60,086.94
  4. Step 4: Simplify right side
    105,394.37x = 8,739,077,611.24
  5. Step 5: Solve for x
    x = 8,739,077,611.24/105,394.37
  6. Step 6: Final answer
    x = 82,917.88

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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.