Home / 118,623.78-163,695.94-70,903.44

Finding the Fourth Proportional to 118,623.78, 163,695.94 and 70,903.44

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Solution

The fourth proportional to 118,623.78, 163,695.94 and 70,903.44 is: 97,843.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,623.78 : 163,695.94 = 70,903.44 : x
  2. Step 2: Convert to fraction form
    118,623.78/163,695.94 = 70,903.44/x
  3. Step 3: Cross multiply
    118,623.78x = 163,695.94 × 70,903.44
  4. Step 4: Simplify right side
    118,623.78x = 11,606,605,082.78
  5. Step 5: Solve for x
    x = 11,606,605,082.78/118,623.78
  6. Step 6: Final answer
    x = 97,843.83

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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.