Home / 75,968.61-113,953.00-19,808.67

Finding the Fourth Proportional to 75,968.61, 113,953.00 and 19,808.67

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Solution

The fourth proportional to 75,968.61, 113,953.00 and 19,808.67 is: 29,713.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,968.61 : 113,953.00 = 19,808.67 : x
  2. Step 2: Convert to fraction form
    75,968.61/113,953.00 = 19,808.67/x
  3. Step 3: Cross multiply
    75,968.61x = 113,953.00 × 19,808.67
  4. Step 4: Simplify right side
    75,968.61x = 2,257,257,466.96
  5. Step 5: Solve for x
    x = 2,257,257,466.96/75,968.61
  6. Step 6: Final answer
    x = 29,713.03

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1.5x scale

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.