Home / 105,895.08-146,137.59-58,148.64

Finding the Fourth Proportional to 105,895.08, 146,137.59 and 58,148.64

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Solution

The fourth proportional to 105,895.08, 146,137.59 and 58,148.64 is: 80,246.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,895.08 : 146,137.59 = 58,148.64 : x
  2. Step 2: Convert to fraction form
    105,895.08/146,137.59 = 58,148.64/x
  3. Step 3: Cross multiply
    105,895.08x = 146,137.59 × 58,148.64
  4. Step 4: Simplify right side
    105,895.08x = 8,497,702,111.38
  5. Step 5: Solve for x
    x = 8,497,702,111.38/105,895.08
  6. Step 6: Final answer
    x = 80,246.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.