Home / 107,920.08-161,841.24-45,595.44

Finding the Fourth Proportional to 107,920.08, 161,841.24 and 45,595.44

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Solution

The fourth proportional to 107,920.08, 161,841.24 and 45,595.44 is: 68,376.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,920.08 : 161,841.24 = 45,595.44 : x
  2. Step 2: Convert to fraction form
    107,920.08/161,841.24 = 45,595.44/x
  3. Step 3: Cross multiply
    107,920.08x = 161,841.24 × 45,595.44
  4. Step 4: Simplify right side
    107,920.08x = 7,379,222,547.95
  5. Step 5: Solve for x
    x = 7,379,222,547.95/107,920.08
  6. Step 6: Final answer
    x = 68,376.73

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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.