Home / 115,819.42-173,730.96-45,698.12

Finding the Fourth Proportional to 115,819.42, 173,730.96 and 45,698.12

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Solution

The fourth proportional to 115,819.42, 173,730.96 and 45,698.12 is: 68,547.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,819.42 : 173,730.96 = 45,698.12 : x
  2. Step 2: Convert to fraction form
    115,819.42/173,730.96 = 45,698.12/x
  3. Step 3: Cross multiply
    115,819.42x = 173,730.96 × 45,698.12
  4. Step 4: Simplify right side
    115,819.42x = 7,939,178,257.80
  5. Step 5: Solve for x
    x = 7,939,178,257.80/115,819.42
  6. Step 6: Final answer
    x = 68,547.90

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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.