Home / 86,250.19-129,334.32-30,083.48

Finding the Fourth Proportional to 86,250.19, 129,334.32 and 30,083.48

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Solution

The fourth proportional to 86,250.19, 129,334.32 and 30,083.48 is: 45,110.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,250.19 : 129,334.32 = 30,083.48 : x
  2. Step 2: Convert to fraction form
    86,250.19/129,334.32 = 30,083.48/x
  3. Step 3: Cross multiply
    86,250.19x = 129,334.32 × 30,083.48
  4. Step 4: Simplify right side
    86,250.19x = 3,890,826,429.03
  5. Step 5: Solve for x
    x = 3,890,826,429.03/86,250.19
  6. Step 6: Final answer
    x = 45,110.93

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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.