Home / 46,188.78-69,283.31-12,908.63

Finding the Fourth Proportional to 46,188.78, 69,283.31 and 12,908.63

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Solution

The fourth proportional to 46,188.78, 69,283.31 and 12,908.63 is: 19,362.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,188.78 : 69,283.31 = 12,908.63 : x
  2. Step 2: Convert to fraction form
    46,188.78/69,283.31 = 12,908.63/x
  3. Step 3: Cross multiply
    46,188.78x = 69,283.31 × 12,908.63
  4. Step 4: Simplify right side
    46,188.78x = 894,352,203.01
  5. Step 5: Solve for x
    x = 894,352,203.01/46,188.78
  6. Step 6: Final answer
    x = 19,362.98

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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.