Home / 95,009.80-142,515.96-28,434.64

Finding the Fourth Proportional to 95,009.80, 142,515.96 and 28,434.64

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Solution

The fourth proportional to 95,009.80, 142,515.96 and 28,434.64 is: 42,652.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,009.80 : 142,515.96 = 28,434.64 : x
  2. Step 2: Convert to fraction form
    95,009.80/142,515.96 = 28,434.64/x
  3. Step 3: Cross multiply
    95,009.80x = 142,515.96 × 28,434.64
  4. Step 4: Simplify right side
    95,009.80x = 4,052,390,016.85
  5. Step 5: Solve for x
    x = 4,052,390,016.85/95,009.80
  6. Step 6: Final answer
    x = 42,652.34

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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.