Home / 86,033.43-129,047.45-23,703.39

Finding the Fourth Proportional to 86,033.43, 129,047.45 and 23,703.39

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Solution

The fourth proportional to 86,033.43, 129,047.45 and 23,703.39 is: 35,554.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,033.43 : 129,047.45 = 23,703.39 : x
  2. Step 2: Convert to fraction form
    86,033.43/129,047.45 = 23,703.39/x
  3. Step 3: Cross multiply
    86,033.43x = 129,047.45 × 23,703.39
  4. Step 4: Simplify right side
    86,033.43x = 3,058,861,917.34
  5. Step 5: Solve for x
    x = 3,058,861,917.34/86,033.43
  6. Step 6: Final answer
    x = 35,554.34

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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.