Home / 117,853.08-162,634.13-64,136.94

Finding the Fourth Proportional to 117,853.08, 162,634.13 and 64,136.94

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Solution

The fourth proportional to 117,853.08, 162,634.13 and 64,136.94 is: 88,507.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,853.08 : 162,634.13 = 64,136.94 : x
  2. Step 2: Convert to fraction form
    117,853.08/162,634.13 = 64,136.94/x
  3. Step 3: Cross multiply
    117,853.08x = 162,634.13 × 64,136.94
  4. Step 4: Simplify right side
    117,853.08x = 10,430,855,598.10
  5. Step 5: Solve for x
    x = 10,430,855,598.10/117,853.08
  6. Step 6: Final answer
    x = 88,507.28

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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.