Home / 118,204.84-163,123.24-64,491.06

Finding the Fourth Proportional to 118,204.84, 163,123.24 and 64,491.06

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Solution

The fourth proportional to 118,204.84, 163,123.24 and 64,491.06 is: 88,997.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,204.84 : 163,123.24 = 64,491.06 : x
  2. Step 2: Convert to fraction form
    118,204.84/163,123.24 = 64,491.06/x
  3. Step 3: Cross multiply
    118,204.84x = 163,123.24 × 64,491.06
  4. Step 4: Simplify right side
    118,204.84x = 10,519,990,952.24
  5. Step 5: Solve for x
    x = 10,519,990,952.24/118,204.84
  6. Step 6: Final answer
    x = 88,997.97

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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.