Home / 106,115.23-146,435.91-58,368.55

Finding the Fourth Proportional to 106,115.23, 146,435.91 and 58,368.55

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Solution

The fourth proportional to 106,115.23, 146,435.91 and 58,368.55 is: 80,546.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,115.23 : 146,435.91 = 58,368.55 : x
  2. Step 2: Convert to fraction form
    106,115.23/146,435.91 = 58,368.55/x
  3. Step 3: Cross multiply
    106,115.23x = 146,435.91 × 58,368.55
  4. Step 4: Simplify right side
    106,115.23x = 8,547,251,734.63
  5. Step 5: Solve for x
    x = 8,547,251,734.63/106,115.23
  6. Step 6: Final answer
    x = 80,546.89

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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.