Home / 77,815.32-116,547.30-46,584.60

Finding the Fourth Proportional to 77,815.32, 116,547.30 and 46,584.60

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Solution

The fourth proportional to 77,815.32, 116,547.30 and 46,584.60 is: 69,771.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,815.32 : 116,547.30 = 46,584.60 : x
  2. Step 2: Convert to fraction form
    77,815.32/116,547.30 = 46,584.60/x
  3. Step 3: Cross multiply
    77,815.32x = 116,547.30 × 46,584.60
  4. Step 4: Simplify right side
    77,815.32x = 5,429,309,351.58
  5. Step 5: Solve for x
    x = 5,429,309,351.58/77,815.32
  6. Step 6: Final answer
    x = 69,771.73

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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.