Home / 108,680.96-163,007.48-42,075.44

Finding the Fourth Proportional to 108,680.96, 163,007.48 and 42,075.44

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Solution

The fourth proportional to 108,680.96, 163,007.48 and 42,075.44 is: 63,107.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,680.96 : 163,007.48 = 42,075.44 : x
  2. Step 2: Convert to fraction form
    108,680.96/163,007.48 = 42,075.44/x
  3. Step 3: Cross multiply
    108,680.96x = 163,007.48 × 42,075.44
  4. Step 4: Simplify right side
    108,680.96x = 6,858,611,444.29
  5. Step 5: Solve for x
    x = 6,858,611,444.29/108,680.96
  6. Step 6: Final answer
    x = 63,107.76

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1.5x scale

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.