Home / 123,914.14-170,999.39-67,325.11

Finding the Fourth Proportional to 123,914.14, 170,999.39 and 67,325.11

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Solution

The fourth proportional to 123,914.14, 170,999.39 and 67,325.11 is: 92,907.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,914.14 : 170,999.39 = 67,325.11 : x
  2. Step 2: Convert to fraction form
    123,914.14/170,999.39 = 67,325.11/x
  3. Step 3: Cross multiply
    123,914.14x = 170,999.39 × 67,325.11
  4. Step 4: Simplify right side
    123,914.14x = 11,512,552,482.50
  5. Step 5: Solve for x
    x = 11,512,552,482.50/123,914.14
  6. Step 6: Final answer
    x = 92,907.50

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1.5x scale

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.