Home / 108,742.64-163,157.52-49,606.16

Finding the Fourth Proportional to 108,742.64, 163,157.52 and 49,606.16

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Solution

The fourth proportional to 108,742.64, 163,157.52 and 49,606.16 is: 74,429.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,742.64 : 163,157.52 = 49,606.16 : x
  2. Step 2: Convert to fraction form
    108,742.64/163,157.52 = 49,606.16/x
  3. Step 3: Cross multiply
    108,742.64x = 163,157.52 × 49,606.16
  4. Step 4: Simplify right side
    108,742.64x = 8,093,618,042.32
  5. Step 5: Solve for x
    x = 8,093,618,042.32/108,742.64
  6. Step 6: Final answer
    x = 74,429.11

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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.