Home / 117,892.80-162,686.75-64,176.44

Finding the Fourth Proportional to 117,892.80, 162,686.75 and 64,176.44

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Solution

The fourth proportional to 117,892.80, 162,686.75 and 64,176.44 is: 88,560.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,892.80 : 162,686.75 = 64,176.44 : x
  2. Step 2: Convert to fraction form
    117,892.80/162,686.75 = 64,176.44/x
  3. Step 3: Cross multiply
    117,892.80x = 162,686.75 × 64,176.44
  4. Step 4: Simplify right side
    117,892.80x = 10,440,655,315.85
  5. Step 5: Solve for x
    x = 10,440,655,315.85/117,892.80
  6. Step 6: Final answer
    x = 88,560.58

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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.