Home / 75,011.72-103,467.38-48,111.62

Finding the Fourth Proportional to 75,011.72, 103,467.38 and 48,111.62

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Solution

The fourth proportional to 75,011.72, 103,467.38 and 48,111.62 is: 66,362.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,011.72 : 103,467.38 = 48,111.62 : x
  2. Step 2: Convert to fraction form
    75,011.72/103,467.38 = 48,111.62/x
  3. Step 3: Cross multiply
    75,011.72x = 103,467.38 × 48,111.62
  4. Step 4: Simplify right side
    75,011.72x = 4,977,982,511.06
  5. Step 5: Solve for x
    x = 4,977,982,511.06/75,011.72
  6. Step 6: Final answer
    x = 66,362.73

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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.