Home / 119,754.24-165,261.93-66,041.21

Finding the Fourth Proportional to 119,754.24, 165,261.93 and 66,041.21

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Solution

The fourth proportional to 119,754.24, 165,261.93 and 66,041.21 is: 91,137.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,754.24 : 165,261.93 = 66,041.21 : x
  2. Step 2: Convert to fraction form
    119,754.24/165,261.93 = 66,041.21/x
  3. Step 3: Cross multiply
    119,754.24x = 165,261.93 × 66,041.21
  4. Step 4: Simplify right side
    119,754.24x = 10,914,097,824.14
  5. Step 5: Solve for x
    x = 10,914,097,824.14/119,754.24
  6. Step 6: Final answer
    x = 91,137.46

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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.