Home / 75,012.96-103,528.76-43,181.58

Finding the Fourth Proportional to 75,012.96, 103,528.76 and 43,181.58

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Solution

The fourth proportional to 75,012.96, 103,528.76 and 43,181.58 is: 59,596.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,012.96 : 103,528.76 = 43,181.58 : x
  2. Step 2: Convert to fraction form
    75,012.96/103,528.76 = 43,181.58/x
  3. Step 3: Cross multiply
    75,012.96x = 103,528.76 × 43,181.58
  4. Step 4: Simplify right side
    75,012.96x = 4,470,535,216.33
  5. Step 5: Solve for x
    x = 4,470,535,216.33/75,012.96
  6. Step 6: Final answer
    x = 59,596.84

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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.