Home / 117,516.40-162,172.74-63,801.38

Finding the Fourth Proportional to 117,516.40, 162,172.74 and 63,801.38

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Solution

The fourth proportional to 117,516.40, 162,172.74 and 63,801.38 is: 88,045.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,516.40 : 162,172.74 = 63,801.38 : x
  2. Step 2: Convert to fraction form
    117,516.40/162,172.74 = 63,801.38/x
  3. Step 3: Cross multiply
    117,516.40x = 162,172.74 × 63,801.38
  4. Step 4: Simplify right side
    117,516.40x = 10,346,844,610.38
  5. Step 5: Solve for x
    x = 10,346,844,610.38/117,516.40
  6. Step 6: Final answer
    x = 88,045.96

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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.