Home / 89,839.36-134,537.55-56,476.69

Finding the Fourth Proportional to 89,839.36, 134,537.55 and 56,476.69

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Solution

The fourth proportional to 89,839.36, 134,537.55 and 56,476.69 is: 84,575.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,839.36 : 134,537.55 = 56,476.69 : x
  2. Step 2: Convert to fraction form
    89,839.36/134,537.55 = 56,476.69/x
  3. Step 3: Cross multiply
    89,839.36x = 134,537.55 × 56,476.69
  4. Step 4: Simplify right side
    89,839.36x = 7,598,235,504.71
  5. Step 5: Solve for x
    x = 7,598,235,504.71/89,839.36
  6. Step 6: Final answer
    x = 84,575.80

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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.