Home / 70,278.21-105,359.00-32,818.95

Finding the Fourth Proportional to 70,278.21, 105,359.00 and 32,818.95

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Solution

The fourth proportional to 70,278.21, 105,359.00 and 32,818.95 is: 49,201.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,278.21 : 105,359.00 = 32,818.95 : x
  2. Step 2: Convert to fraction form
    70,278.21/105,359.00 = 32,818.95/x
  3. Step 3: Cross multiply
    70,278.21x = 105,359.00 × 32,818.95
  4. Step 4: Simplify right side
    70,278.21x = 3,457,771,588.96
  5. Step 5: Solve for x
    x = 3,457,771,588.96/70,278.21
  6. Step 6: Final answer
    x = 49,201.19

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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.