Home / 90,028.49-135,042.80-23,468.45

Finding the Fourth Proportional to 90,028.49, 135,042.80 and 23,468.45

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Solution

The fourth proportional to 90,028.49, 135,042.80 and 23,468.45 is: 35,202.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,028.49 : 135,042.80 = 23,468.45 : x
  2. Step 2: Convert to fraction form
    90,028.49/135,042.80 = 23,468.45/x
  3. Step 3: Cross multiply
    90,028.49x = 135,042.80 × 23,468.45
  4. Step 4: Simplify right side
    90,028.49x = 3,169,245,082.32
  5. Step 5: Solve for x
    x = 3,169,245,082.32/90,028.49
  6. Step 6: Final answer
    x = 35,202.69

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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.