Home / 95,815.78-143,751.71-28,349.60

Finding the Fourth Proportional to 95,815.78, 143,751.71 and 28,349.60

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Solution

The fourth proportional to 95,815.78, 143,751.71 and 28,349.60 is: 42,532.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,815.78 : 143,751.71 = 28,349.60 : x
  2. Step 2: Convert to fraction form
    95,815.78/143,751.71 = 28,349.60/x
  3. Step 3: Cross multiply
    95,815.78x = 143,751.71 × 28,349.60
  4. Step 4: Simplify right side
    95,815.78x = 4,075,302,829.93
  5. Step 5: Solve for x
    x = 4,075,302,829.93/95,815.78
  6. Step 6: Final answer
    x = 42,532.69

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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.