Home / 108,662.78-163,032.75-48,686.54

Finding the Fourth Proportional to 108,662.78, 163,032.75 and 48,686.54

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Solution

The fourth proportional to 108,662.78, 163,032.75 and 48,686.54 is: 73,047.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,662.78 : 163,032.75 = 48,686.54 : x
  2. Step 2: Convert to fraction form
    108,662.78/163,032.75 = 48,686.54/x
  3. Step 3: Cross multiply
    108,662.78x = 163,032.75 × 48,686.54
  4. Step 4: Simplify right side
    108,662.78x = 7,937,499,689.02
  5. Step 5: Solve for x
    x = 7,937,499,689.02/108,662.78
  6. Step 6: Final answer
    x = 73,047.09

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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.