Home / 108,947.94-163,379.79-42,379.08

Finding the Fourth Proportional to 108,947.94, 163,379.79 and 42,379.08

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Solution

The fourth proportional to 108,947.94, 163,379.79 and 42,379.08 is: 63,552.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,947.94 : 163,379.79 = 42,379.08 : x
  2. Step 2: Convert to fraction form
    108,947.94/163,379.79 = 42,379.08/x
  3. Step 3: Cross multiply
    108,947.94x = 163,379.79 × 42,379.08
  4. Step 4: Simplify right side
    108,947.94x = 6,923,885,190.79
  5. Step 5: Solve for x
    x = 6,923,885,190.79/108,947.94
  6. Step 6: Final answer
    x = 63,552.24

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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.