Home / 108,868.22-163,260.35-42,299.59

Finding the Fourth Proportional to 108,868.22, 163,260.35 and 42,299.59

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Solution

The fourth proportional to 108,868.22, 163,260.35 and 42,299.59 is: 63,433.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,868.22 : 163,260.35 = 42,299.59 : x
  2. Step 2: Convert to fraction form
    108,868.22/163,260.35 = 42,299.59/x
  3. Step 3: Cross multiply
    108,868.22x = 163,260.35 × 42,299.59
  4. Step 4: Simplify right side
    108,868.22x = 6,905,844,840.46
  5. Step 5: Solve for x
    x = 6,905,844,840.46/108,868.22
  6. Step 6: Final answer
    x = 63,433.06

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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.