Home / 90,052.48-135,036.30-52,623.38

Finding the Fourth Proportional to 90,052.48, 135,036.30 and 52,623.38

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Solution

The fourth proportional to 90,052.48, 135,036.30 and 52,623.38 is: 78,910.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,052.48 : 135,036.30 = 52,623.38 : x
  2. Step 2: Convert to fraction form
    90,052.48/135,036.30 = 52,623.38/x
  3. Step 3: Cross multiply
    90,052.48x = 135,036.30 × 52,623.38
  4. Step 4: Simplify right side
    90,052.48x = 7,106,066,528.69
  5. Step 5: Solve for x
    x = 7,106,066,528.69/90,052.48
  6. Step 6: Final answer
    x = 78,910.28

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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.