Home / 117,848.88-162,634.95-64,137.42

Finding the Fourth Proportional to 117,848.88, 162,634.95 and 64,137.42

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Solution

The fourth proportional to 117,848.88, 162,634.95 and 64,137.42 is: 88,511.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,848.88 : 162,634.95 = 64,137.42 : x
  2. Step 2: Convert to fraction form
    117,848.88/162,634.95 = 64,137.42/x
  3. Step 3: Cross multiply
    117,848.88x = 162,634.95 × 64,137.42
  4. Step 4: Simplify right side
    117,848.88x = 10,430,986,094.83
  5. Step 5: Solve for x
    x = 10,430,986,094.83/117,848.88
  6. Step 6: Final answer
    x = 88,511.54

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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.