Home / 57,627.09-86,443.34-28,009.62

Finding the Fourth Proportional to 57,627.09, 86,443.34 and 28,009.62

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Solution

The fourth proportional to 57,627.09, 86,443.34 and 28,009.62 is: 42,015.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,627.09 : 86,443.34 = 28,009.62 : x
  2. Step 2: Convert to fraction form
    57,627.09/86,443.34 = 28,009.62/x
  3. Step 3: Cross multiply
    57,627.09x = 86,443.34 × 28,009.62
  4. Step 4: Simplify right side
    57,627.09x = 2,421,244,964.88
  5. Step 5: Solve for x
    x = 2,421,244,964.88/57,627.09
  6. Step 6: Final answer
    x = 42,015.74

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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.