Home / 123,267.40-170,106.22-69,551.03

Finding the Fourth Proportional to 123,267.40, 170,106.22 and 69,551.03

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Solution

The fourth proportional to 123,267.40, 170,106.22 and 69,551.03 is: 95,978.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,267.40 : 170,106.22 = 69,551.03 : x
  2. Step 2: Convert to fraction form
    123,267.40/170,106.22 = 69,551.03/x
  3. Step 3: Cross multiply
    123,267.40x = 170,106.22 × 69,551.03
  4. Step 4: Simplify right side
    123,267.40x = 11,831,062,810.41
  5. Step 5: Solve for x
    x = 11,831,062,810.41/123,267.40
  6. Step 6: Final answer
    x = 95,978.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.