Home / 108,705.24-163,001.70-64,345.86

Finding the Fourth Proportional to 108,705.24, 163,001.70 and 64,345.86

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Solution

The fourth proportional to 108,705.24, 163,001.70 and 64,345.86 is: 96,485.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,705.24 : 163,001.70 = 64,345.86 : x
  2. Step 2: Convert to fraction form
    108,705.24/163,001.70 = 64,345.86/x
  3. Step 3: Cross multiply
    108,705.24x = 163,001.70 × 64,345.86
  4. Step 4: Simplify right side
    108,705.24x = 10,488,484,567.96
  5. Step 5: Solve for x
    x = 10,488,484,567.96/108,705.24
  6. Step 6: Final answer
    x = 96,485.55

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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.