Home / 45,398.48-68,097.72-12,118.67

Finding the Fourth Proportional to 45,398.48, 68,097.72 and 12,118.67

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Solution

The fourth proportional to 45,398.48, 68,097.72 and 12,118.67 is: 18,178.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,398.48 : 68,097.72 = 12,118.67 : x
  2. Step 2: Convert to fraction form
    45,398.48/68,097.72 = 12,118.67/x
  3. Step 3: Cross multiply
    45,398.48x = 68,097.72 × 12,118.67
  4. Step 4: Simplify right side
    45,398.48x = 825,253,455.94
  5. Step 5: Solve for x
    x = 825,253,455.94/45,398.48
  6. Step 6: Final answer
    x = 18,178.00

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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.