Home / 108,821.10-163,259.19-52,688.10

Finding the Fourth Proportional to 108,821.10, 163,259.19 and 52,688.10

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Solution

The fourth proportional to 108,821.10, 163,259.19 and 52,688.10 is: 79,045.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,821.10 : 163,259.19 = 52,688.10 : x
  2. Step 2: Convert to fraction form
    108,821.10/163,259.19 = 52,688.10/x
  3. Step 3: Cross multiply
    108,821.10x = 163,259.19 × 52,688.10
  4. Step 4: Simplify right side
    108,821.10x = 8,601,816,528.64
  5. Step 5: Solve for x
    x = 8,601,816,528.64/108,821.10
  6. Step 6: Final answer
    x = 79,045.48

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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.