Home / 118,608.11-163,683.27-64,893.12

Finding the Fourth Proportional to 118,608.11, 163,683.27 and 64,893.12

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Solution

The fourth proportional to 118,608.11, 163,683.27 and 64,893.12 is: 89,554.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,608.11 : 163,683.27 = 64,893.12 : x
  2. Step 2: Convert to fraction form
    118,608.11/163,683.27 = 64,893.12/x
  3. Step 3: Cross multiply
    118,608.11x = 163,683.27 × 64,893.12
  4. Step 4: Simplify right side
    118,608.11x = 10,621,918,082.10
  5. Step 5: Solve for x
    x = 10,621,918,082.10/118,608.11
  6. Step 6: Final answer
    x = 89,554.74

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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.