Home / 108,907.44-163,318.86-42,338.76

Finding the Fourth Proportional to 108,907.44, 163,318.86 and 42,338.76

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Solution

The fourth proportional to 108,907.44, 163,318.86 and 42,338.76 is: 63,491.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,907.44 : 163,318.86 = 42,338.76 : x
  2. Step 2: Convert to fraction form
    108,907.44/163,318.86 = 42,338.76/x
  3. Step 3: Cross multiply
    108,907.44x = 163,318.86 × 42,338.76
  4. Step 4: Simplify right side
    108,907.44x = 6,914,718,017.01
  5. Step 5: Solve for x
    x = 6,914,718,017.01/108,907.44
  6. Step 6: Final answer
    x = 63,491.70

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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.