Home / 86,980.32-130,470.24-24,651.36

Finding the Fourth Proportional to 86,980.32, 130,470.24 and 24,651.36

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Solution

The fourth proportional to 86,980.32, 130,470.24 and 24,651.36 is: 36,976.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,980.32 : 130,470.24 = 24,651.36 : x
  2. Step 2: Convert to fraction form
    86,980.32/130,470.24 = 24,651.36/x
  3. Step 3: Cross multiply
    86,980.32x = 130,470.24 × 24,651.36
  4. Step 4: Simplify right side
    86,980.32x = 3,216,268,855.53
  5. Step 5: Solve for x
    x = 3,216,268,855.53/86,980.32
  6. Step 6: Final answer
    x = 36,976.97

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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.