Home / 117,706.90-162,438.72-63,995.52

Finding the Fourth Proportional to 117,706.90, 162,438.72 and 63,995.52

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Solution

The fourth proportional to 117,706.90, 162,438.72 and 63,995.52 is: 88,315.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,706.90 : 162,438.72 = 63,995.52 : x
  2. Step 2: Convert to fraction form
    117,706.90/162,438.72 = 63,995.52/x
  3. Step 3: Cross multiply
    117,706.90x = 162,438.72 × 63,995.52
  4. Step 4: Simplify right side
    117,706.90x = 10,395,350,354.53
  5. Step 5: Solve for x
    x = 10,395,350,354.53/117,706.90
  6. Step 6: Final answer
    x = 88,315.56

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1.5x scale

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.