Home / 103,726.22-143,173.91-60,715.77

Finding the Fourth Proportional to 103,726.22, 143,173.91 and 60,715.77

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Solution

The fourth proportional to 103,726.22, 143,173.91 and 60,715.77 is: 83,806.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,726.22 : 143,173.91 = 60,715.77 : x
  2. Step 2: Convert to fraction form
    103,726.22/143,173.91 = 60,715.77/x
  3. Step 3: Cross multiply
    103,726.22x = 143,173.91 × 60,715.77
  4. Step 4: Simplify right side
    103,726.22x = 8,692,914,189.56
  5. Step 5: Solve for x
    x = 8,692,914,189.56/103,726.22
  6. Step 6: Final answer
    x = 83,806.34

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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.