Home / 58,126.23-87,213.11-20,693.43

Finding the Fourth Proportional to 58,126.23, 87,213.11 and 20,693.43

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Solution

The fourth proportional to 58,126.23, 87,213.11 and 20,693.43 is: 31,048.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,126.23 : 87,213.11 = 20,693.43 : x
  2. Step 2: Convert to fraction form
    58,126.23/87,213.11 = 20,693.43/x
  3. Step 3: Cross multiply
    58,126.23x = 87,213.11 × 20,693.43
  4. Step 4: Simplify right side
    58,126.23x = 1,804,738,283.40
  5. Step 5: Solve for x
    x = 1,804,738,283.40/58,126.23
  6. Step 6: Final answer
    x = 31,048.60

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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.