Home / 117,898.56-162,698.40-64,184.04

Finding the Fourth Proportional to 117,898.56, 162,698.40 and 64,184.04

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Solution

The fourth proportional to 117,898.56, 162,698.40 and 64,184.04 is: 88,573.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,898.56 : 162,698.40 = 64,184.04 : x
  2. Step 2: Convert to fraction form
    117,898.56/162,698.40 = 64,184.04/x
  3. Step 3: Cross multiply
    117,898.56x = 162,698.40 × 64,184.04
  4. Step 4: Simplify right side
    117,898.56x = 10,442,640,613.54
  5. Step 5: Solve for x
    x = 10,442,640,613.54/117,898.56
  6. Step 6: Final answer
    x = 88,573.10

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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.