Home / 108,876.12-163,341.96-52,743.12

Finding the Fourth Proportional to 108,876.12, 163,341.96 and 52,743.12

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Solution

The fourth proportional to 108,876.12, 163,341.96 and 52,743.12 is: 79,128.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,876.12 : 163,341.96 = 52,743.12 : x
  2. Step 2: Convert to fraction form
    108,876.12/163,341.96 = 52,743.12/x
  3. Step 3: Cross multiply
    108,876.12x = 163,341.96 × 52,743.12
  4. Step 4: Simplify right side
    108,876.12x = 8,615,164,597.32
  5. Step 5: Solve for x
    x = 8,615,164,597.32/108,876.12
  6. Step 6: Final answer
    x = 79,128.14

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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.