Home / 68,819.46-103,159.47-46,635.08

Finding the Fourth Proportional to 68,819.46, 103,159.47 and 46,635.08

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Solution

The fourth proportional to 68,819.46, 103,159.47 and 46,635.08 is: 69,905.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,819.46 : 103,159.47 = 46,635.08 : x
  2. Step 2: Convert to fraction form
    68,819.46/103,159.47 = 46,635.08/x
  3. Step 3: Cross multiply
    68,819.46x = 103,159.47 × 46,635.08
  4. Step 4: Simplify right side
    68,819.46x = 4,810,849,795.29
  5. Step 5: Solve for x
    x = 4,810,849,795.29/68,819.46
  6. Step 6: Final answer
    x = 69,905.37

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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.