Home / 86,951.36-130,428.24-24,621.80

Finding the Fourth Proportional to 86,951.36, 130,428.24 and 24,621.80

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Solution

The fourth proportional to 86,951.36, 130,428.24 and 24,621.80 is: 36,933.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,951.36 : 130,428.24 = 24,621.80 : x
  2. Step 2: Convert to fraction form
    86,951.36/130,428.24 = 24,621.80/x
  3. Step 3: Cross multiply
    86,951.36x = 130,428.24 × 24,621.80
  4. Step 4: Simplify right side
    86,951.36x = 3,211,378,039.63
  5. Step 5: Solve for x
    x = 3,211,378,039.63/86,951.36
  6. Step 6: Final answer
    x = 36,933.04

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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.