Home / 86,271.48-129,232.26-44,631

Finding the Fourth Proportional to 86,271.48, 129,232.26 and 44,631

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Solution

The fourth proportional to 86,271.48, 129,232.26 and 44,631 is: 66,855.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,271.48 : 129,232.26 = 44,631 : x
  2. Step 2: Convert to fraction form
    86,271.48/129,232.26 = 44,631/x
  3. Step 3: Cross multiply
    86,271.48x = 129,232.26 × 44,631
  4. Step 4: Simplify right side
    86,271.48x = 5,767,764,996.06
  5. Step 5: Solve for x
    x = 5,767,764,996.06/86,271.48
  6. Step 6: Final answer
    x = 66,855.99

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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.