Home / 95,069.60-142,636.80-28,511.36

Finding the Fourth Proportional to 95,069.60, 142,636.80 and 28,511.36

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Solution

The fourth proportional to 95,069.60, 142,636.80 and 28,511.36 is: 42,776.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,069.60 : 142,636.80 = 28,511.36 : x
  2. Step 2: Convert to fraction form
    95,069.60/142,636.80 = 28,511.36/x
  3. Step 3: Cross multiply
    95,069.60x = 142,636.80 × 28,511.36
  4. Step 4: Simplify right side
    95,069.60x = 4,066,769,154.05
  5. Step 5: Solve for x
    x = 4,066,769,154.05/95,069.60
  6. Step 6: Final answer
    x = 42,776.76

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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.