Home / 86,653.44-129,960.96-24,322.56

Finding the Fourth Proportional to 86,653.44, 129,960.96 and 24,322.56

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Solution

The fourth proportional to 86,653.44, 129,960.96 and 24,322.56 is: 36,478.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,653.44 : 129,960.96 = 24,322.56 : x
  2. Step 2: Convert to fraction form
    86,653.44/129,960.96 = 24,322.56/x
  3. Step 3: Cross multiply
    86,653.44x = 129,960.96 × 24,322.56
  4. Step 4: Simplify right side
    86,653.44x = 3,160,983,247.26
  5. Step 5: Solve for x
    x = 3,160,983,247.26/86,653.44
  6. Step 6: Final answer
    x = 36,478.45

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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.