Home / 55,411.12-76,467.48-30,260.62

Finding the Fourth Proportional to 55,411.12, 76,467.48 and 30,260.62

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Solution

The fourth proportional to 55,411.12, 76,467.48 and 30,260.62 is: 41,759.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,411.12 : 76,467.48 = 30,260.62 : x
  2. Step 2: Convert to fraction form
    55,411.12/76,467.48 = 30,260.62/x
  3. Step 3: Cross multiply
    55,411.12x = 76,467.48 × 30,260.62
  4. Step 4: Simplify right side
    55,411.12x = 2,313,953,354.64
  5. Step 5: Solve for x
    x = 2,313,953,354.64/55,411.12
  6. Step 6: Final answer
    x = 41,759.73

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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.