Home / 86,271.14-129,313.96-41,799.72

Finding the Fourth Proportional to 86,271.14, 129,313.96 and 41,799.72

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Solution

The fourth proportional to 86,271.14, 129,313.96 and 41,799.72 is: 62,654.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,271.14 : 129,313.96 = 41,799.72 : x
  2. Step 2: Convert to fraction form
    86,271.14/129,313.96 = 41,799.72/x
  3. Step 3: Cross multiply
    86,271.14x = 129,313.96 × 41,799.72
  4. Step 4: Simplify right side
    86,271.14x = 5,405,287,320.09
  5. Step 5: Solve for x
    x = 5,405,287,320.09/86,271.14
  6. Step 6: Final answer
    x = 62,654.64

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1.5x scale

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.