Home / 89,310.12-133,987.68-63,066.12

Finding the Fourth Proportional to 89,310.12, 133,987.68 and 63,066.12

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Solution

The fourth proportional to 89,310.12, 133,987.68 and 63,066.12 is: 94,615.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,310.12 : 133,987.68 = 63,066.12 : x
  2. Step 2: Convert to fraction form
    89,310.12/133,987.68 = 63,066.12/x
  3. Step 3: Cross multiply
    89,310.12x = 133,987.68 × 63,066.12
  4. Step 4: Simplify right side
    89,310.12x = 8,450,083,105.40
  5. Step 5: Solve for x
    x = 8,450,083,105.40/89,310.12
  6. Step 6: Final answer
    x = 94,615.07

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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.