Home / 86,804.37-130,216.97-30,632.88

Finding the Fourth Proportional to 86,804.37, 130,216.97 and 30,632.88

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Solution

The fourth proportional to 86,804.37, 130,216.97 and 30,632.88 is: 45,953.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,804.37 : 130,216.97 = 30,632.88 : x
  2. Step 2: Convert to fraction form
    86,804.37/130,216.97 = 30,632.88/x
  3. Step 3: Cross multiply
    86,804.37x = 130,216.97 × 30,632.88
  4. Step 4: Simplify right side
    86,804.37x = 3,988,920,815.97
  5. Step 5: Solve for x
    x = 3,988,920,815.97/86,804.37
  6. Step 6: Final answer
    x = 45,953.00

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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.