Home / 108,947.20-163,202.10-62,145.40

Finding the Fourth Proportional to 108,947.20, 163,202.10 and 62,145.40

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Solution

The fourth proportional to 108,947.20, 163,202.10 and 62,145.40 is: 93,093.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,947.20 : 163,202.10 = 62,145.40 : x
  2. Step 2: Convert to fraction form
    108,947.20/163,202.10 = 62,145.40/x
  3. Step 3: Cross multiply
    108,947.20x = 163,202.10 × 62,145.40
  4. Step 4: Simplify right side
    108,947.20x = 10,142,259,785.34
  5. Step 5: Solve for x
    x = 10,142,259,785.34/108,947.20
  6. Step 6: Final answer
    x = 93,093.35

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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.