Home / 103,840.56-143,347.82-60,814.07

Finding the Fourth Proportional to 103,840.56, 143,347.82 and 60,814.07

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Solution

The fourth proportional to 103,840.56, 143,347.82 and 60,814.07 is: 83,951.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,840.56 : 143,347.82 = 60,814.07 : x
  2. Step 2: Convert to fraction form
    103,840.56/143,347.82 = 60,814.07/x
  3. Step 3: Cross multiply
    103,840.56x = 143,347.82 × 60,814.07
  4. Step 4: Simplify right side
    103,840.56x = 8,717,564,359.83
  5. Step 5: Solve for x
    x = 8,717,564,359.83/103,840.56
  6. Step 6: Final answer
    x = 83,951.44

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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.