Home / 108,749.52-163,098.36-29,857.68

Finding the Fourth Proportional to 108,749.52, 163,098.36 and 29,857.68

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Solution

The fourth proportional to 108,749.52, 163,098.36 and 29,857.68 is: 44,779.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,749.52 : 163,098.36 = 29,857.68 : x
  2. Step 2: Convert to fraction form
    108,749.52/163,098.36 = 29,857.68/x
  3. Step 3: Cross multiply
    108,749.52x = 163,098.36 × 29,857.68
  4. Step 4: Simplify right side
    108,749.52x = 4,869,738,641.40
  5. Step 5: Solve for x
    x = 4,869,738,641.40/108,749.52
  6. Step 6: Final answer
    x = 44,779.40

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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.