Home / 211,819.08-317,728.64-62,059.40

Finding the Fourth Proportional to 211,819.08, 317,728.64 and 62,059.40

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Solution

The fourth proportional to 211,819.08, 317,728.64 and 62,059.40 is: 93,089.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,819.08 : 317,728.64 = 62,059.40 : x
  2. Step 2: Convert to fraction form
    211,819.08/317,728.64 = 62,059.40/x
  3. Step 3: Cross multiply
    211,819.08x = 317,728.64 × 62,059.40
  4. Step 4: Simplify right side
    211,819.08x = 19,718,048,519.20
  5. Step 5: Solve for x
    x = 19,718,048,519.20/211,819.08
  6. Step 6: Final answer
    x = 93,089.10

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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.