Home / 117,887.73-162,685.08-64,173.14

Finding the Fourth Proportional to 117,887.73, 162,685.08 and 64,173.14

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Solution

The fourth proportional to 117,887.73, 162,685.08 and 64,173.14 is: 88,558.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,887.73 : 162,685.08 = 64,173.14 : x
  2. Step 2: Convert to fraction form
    117,887.73/162,685.08 = 64,173.14/x
  3. Step 3: Cross multiply
    117,887.73x = 162,685.08 × 64,173.14
  4. Step 4: Simplify right side
    117,887.73x = 10,440,013,126.50
  5. Step 5: Solve for x
    x = 10,440,013,126.50/117,887.73
  6. Step 6: Final answer
    x = 88,558.95

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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.