Home / 86,372.46-129,460.41-52,563.89

Finding the Fourth Proportional to 86,372.46, 129,460.41 and 52,563.89

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Solution

The fourth proportional to 86,372.46, 129,460.41 and 52,563.89 is: 78,786.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,372.46 : 129,460.41 = 52,563.89 : x
  2. Step 2: Convert to fraction form
    86,372.46/129,460.41 = 52,563.89/x
  3. Step 3: Cross multiply
    86,372.46x = 129,460.41 × 52,563.89
  4. Step 4: Simplify right side
    86,372.46x = 6,804,943,074.25
  5. Step 5: Solve for x
    x = 6,804,943,074.25/86,372.46
  6. Step 6: Final answer
    x = 78,786.03

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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.