Home / 58,146.45-87,164.31-18,675.89

Finding the Fourth Proportional to 58,146.45, 87,164.31 and 18,675.89

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Solution

The fourth proportional to 58,146.45, 87,164.31 and 18,675.89 is: 27,996.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,146.45 : 87,164.31 = 18,675.89 : x
  2. Step 2: Convert to fraction form
    58,146.45/87,164.31 = 18,675.89/x
  3. Step 3: Cross multiply
    58,146.45x = 87,164.31 × 18,675.89
  4. Step 4: Simplify right side
    58,146.45x = 1,627,870,886.50
  5. Step 5: Solve for x
    x = 1,627,870,886.50/58,146.45
  6. Step 6: Final answer
    x = 27,996.05

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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.