Home / 118,414.62-163,409.22-64,699.92

Finding the Fourth Proportional to 118,414.62, 163,409.22 and 64,699.92

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Solution

The fourth proportional to 118,414.62, 163,409.22 and 64,699.92 is: 89,284.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,414.62 : 163,409.22 = 64,699.92 : x
  2. Step 2: Convert to fraction form
    118,414.62/163,409.22 = 64,699.92/x
  3. Step 3: Cross multiply
    118,414.62x = 163,409.22 × 64,699.92
  4. Step 4: Simplify right side
    118,414.62x = 10,572,563,461.26
  5. Step 5: Solve for x
    x = 10,572,563,461.26/118,414.62
  6. Step 6: Final answer
    x = 89,284.27

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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.