Home / 108,701.40-163,052.10-38,564.31

Finding the Fourth Proportional to 108,701.40, 163,052.10 and 38,564.31

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Solution

The fourth proportional to 108,701.40, 163,052.10 and 38,564.31 is: 57,846.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,701.40 : 163,052.10 = 38,564.31 : x
  2. Step 2: Convert to fraction form
    108,701.40/163,052.10 = 38,564.31/x
  3. Step 3: Cross multiply
    108,701.40x = 163,052.10 × 38,564.31
  4. Step 4: Simplify right side
    108,701.40x = 6,287,991,730.55
  5. Step 5: Solve for x
    x = 6,287,991,730.55/108,701.40
  6. Step 6: Final answer
    x = 57,846.47

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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.