Home / 108,890.64-163,321.08-29,993.52

Finding the Fourth Proportional to 108,890.64, 163,321.08 and 29,993.52

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Solution

The fourth proportional to 108,890.64, 163,321.08 and 29,993.52 is: 44,986.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,890.64 : 163,321.08 = 29,993.52 : x
  2. Step 2: Convert to fraction form
    108,890.64/163,321.08 = 29,993.52/x
  3. Step 3: Cross multiply
    108,890.64x = 163,321.08 × 29,993.52
  4. Step 4: Simplify right side
    108,890.64x = 4,898,574,079.40
  5. Step 5: Solve for x
    x = 4,898,574,079.40/108,890.64
  6. Step 6: Final answer
    x = 44,986.18

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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.