Home / 117,086.16-161,577.63-63,370.02

Finding the Fourth Proportional to 117,086.16, 161,577.63 and 63,370.02

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Solution

The fourth proportional to 117,086.16, 161,577.63 and 63,370.02 is: 87,449.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,086.16 : 161,577.63 = 63,370.02 : x
  2. Step 2: Convert to fraction form
    117,086.16/161,577.63 = 63,370.02/x
  3. Step 3: Cross multiply
    117,086.16x = 161,577.63 × 63,370.02
  4. Step 4: Simplify right side
    117,086.16x = 10,239,177,644.65
  5. Step 5: Solve for x
    x = 10,239,177,644.65/117,086.16
  6. Step 6: Final answer
    x = 87,449.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.