Home / 76,359.38-105,376.52-41,903.88

Finding the Fourth Proportional to 76,359.38, 105,376.52 and 41,903.88

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Solution

The fourth proportional to 76,359.38, 105,376.52 and 41,903.88 is: 57,827.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,359.38 : 105,376.52 = 41,903.88 : x
  2. Step 2: Convert to fraction form
    76,359.38/105,376.52 = 41,903.88/x
  3. Step 3: Cross multiply
    76,359.38x = 105,376.52 × 41,903.88
  4. Step 4: Simplify right side
    76,359.38x = 4,415,685,048.90
  5. Step 5: Solve for x
    x = 4,415,685,048.90/76,359.38
  6. Step 6: Final answer
    x = 57,827.67

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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.