Home / 106,588.23-147,086.01-66,300.84

Finding the Fourth Proportional to 106,588.23, 147,086.01 and 66,300.84

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Solution

The fourth proportional to 106,588.23, 147,086.01 and 66,300.84 is: 91,491.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,588.23 : 147,086.01 = 66,300.84 : x
  2. Step 2: Convert to fraction form
    106,588.23/147,086.01 = 66,300.84/x
  3. Step 3: Cross multiply
    106,588.23x = 147,086.01 × 66,300.84
  4. Step 4: Simplify right side
    106,588.23x = 9,751,926,015.25
  5. Step 5: Solve for x
    x = 9,751,926,015.25/106,588.23
  6. Step 6: Final answer
    x = 91,491.58

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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.