Home / 86,822.38-130,065.05-63,984.75

Finding the Fourth Proportional to 86,822.38, 130,065.05 and 63,984.75

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Solution

The fourth proportional to 86,822.38, 130,065.05 and 63,984.75 is: 95,852.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,822.38 : 130,065.05 = 63,984.75 : x
  2. Step 2: Convert to fraction form
    86,822.38/130,065.05 = 63,984.75/x
  3. Step 3: Cross multiply
    86,822.38x = 130,065.05 × 63,984.75
  4. Step 4: Simplify right side
    86,822.38x = 8,322,179,707.99
  5. Step 5: Solve for x
    x = 8,322,179,707.99/86,822.38
  6. Step 6: Final answer
    x = 95,852.93

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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.