Home / 117,706.40-162,438.03-63,995.03

Finding the Fourth Proportional to 117,706.40, 162,438.03 and 63,995.03

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Solution

The fourth proportional to 117,706.40, 162,438.03 and 63,995.03 is: 88,314.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,706.40 : 162,438.03 = 63,995.03 : x
  2. Step 2: Convert to fraction form
    117,706.40/162,438.03 = 63,995.03/x
  3. Step 3: Cross multiply
    117,706.40x = 162,438.03 × 63,995.03
  4. Step 4: Simplify right side
    117,706.40x = 10,395,225,790.80
  5. Step 5: Solve for x
    x = 10,395,225,790.80/117,706.40
  6. Step 6: Final answer
    x = 88,314.88

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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.