Home / 52,305.08-72,180.56-28,431.68

Finding the Fourth Proportional to 52,305.08, 72,180.56 and 28,431.68

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Solution

The fourth proportional to 52,305.08, 72,180.56 and 28,431.68 is: 39,235.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,305.08 : 72,180.56 = 28,431.68 : x
  2. Step 2: Convert to fraction form
    52,305.08/72,180.56 = 28,431.68/x
  3. Step 3: Cross multiply
    52,305.08x = 72,180.56 × 28,431.68
  4. Step 4: Simplify right side
    52,305.08x = 2,052,214,081.08
  5. Step 5: Solve for x
    x = 2,052,214,081.08/52,305.08
  6. Step 6: Final answer
    x = 39,235.47

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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.