Home / 52,064.09-71,848.49-28,190.78

Finding the Fourth Proportional to 52,064.09, 71,848.49 and 28,190.78

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Solution

The fourth proportional to 52,064.09, 71,848.49 and 28,190.78 is: 38,903.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,064.09 : 71,848.49 = 28,190.78 : x
  2. Step 2: Convert to fraction form
    52,064.09/71,848.49 = 28,190.78/x
  3. Step 3: Cross multiply
    52,064.09x = 71,848.49 × 28,190.78
  4. Step 4: Simplify right side
    52,064.09x = 2,025,464,974.92
  5. Step 5: Solve for x
    x = 2,025,464,974.92/52,064.09
  6. Step 6: Final answer
    x = 38,903.30

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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.