Home / 108,986.68-163,478.96-64,581.46

Finding the Fourth Proportional to 108,986.68, 163,478.96 and 64,581.46

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Solution

The fourth proportional to 108,986.68, 163,478.96 and 64,581.46 is: 96,871.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,986.68 : 163,478.96 = 64,581.46 : x
  2. Step 2: Convert to fraction form
    108,986.68/163,478.96 = 64,581.46/x
  3. Step 3: Cross multiply
    108,986.68x = 163,478.96 × 64,581.46
  4. Step 4: Simplify right side
    108,986.68x = 10,557,709,916.08
  5. Step 5: Solve for x
    x = 10,557,709,916.08/108,986.68
  6. Step 6: Final answer
    x = 96,871.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.