Home / 86,474.28-129,598.32-44,318.64

Finding the Fourth Proportional to 86,474.28, 129,598.32 and 44,318.64

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Solution

The fourth proportional to 86,474.28, 129,598.32 and 44,318.64 is: 66,420.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,474.28 : 129,598.32 = 44,318.64 : x
  2. Step 2: Convert to fraction form
    86,474.28/129,598.32 = 44,318.64/x
  3. Step 3: Cross multiply
    86,474.28x = 129,598.32 × 44,318.64
  4. Step 4: Simplify right side
    86,474.28x = 5,743,621,288.68
  5. Step 5: Solve for x
    x = 5,743,621,288.68/86,474.28
  6. Step 6: Final answer
    x = 66,420.00

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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.