Home / 117,554.67-162,228.66-69,160.01

Finding the Fourth Proportional to 117,554.67, 162,228.66 and 69,160.01

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Solution

The fourth proportional to 117,554.67, 162,228.66 and 69,160.01 is: 95,442.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,554.67 : 162,228.66 = 69,160.01 : x
  2. Step 2: Convert to fraction form
    117,554.67/162,228.66 = 69,160.01/x
  3. Step 3: Cross multiply
    117,554.67x = 162,228.66 × 69,160.01
  4. Step 4: Simplify right side
    117,554.67x = 11,219,735,747.89
  5. Step 5: Solve for x
    x = 11,219,735,747.89/117,554.67
  6. Step 6: Final answer
    x = 95,442.71

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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.