Home / 103,371.23-142,674.53-63,076.37

Finding the Fourth Proportional to 103,371.23, 142,674.53 and 63,076.37

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Solution

The fourth proportional to 103,371.23, 142,674.53 and 63,076.37 is: 87,058.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,371.23 : 142,674.53 = 63,076.37 : x
  2. Step 2: Convert to fraction form
    103,371.23/142,674.53 = 63,076.37/x
  3. Step 3: Cross multiply
    103,371.23x = 142,674.53 × 63,076.37
  4. Step 4: Simplify right side
    103,371.23x = 8,999,390,415.10
  5. Step 5: Solve for x
    x = 8,999,390,415.10/103,371.23
  6. Step 6: Final answer
    x = 87,058.95

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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.