Home / 90,588.68-135,839.12-37,984.04

Finding the Fourth Proportional to 90,588.68, 135,839.12 and 37,984.04

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Solution

The fourth proportional to 90,588.68, 135,839.12 and 37,984.04 is: 56,957.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,588.68 : 135,839.12 = 37,984.04 : x
  2. Step 2: Convert to fraction form
    90,588.68/135,839.12 = 37,984.04/x
  3. Step 3: Cross multiply
    90,588.68x = 135,839.12 × 37,984.04
  4. Step 4: Simplify right side
    90,588.68x = 5,159,718,567.64
  5. Step 5: Solve for x
    x = 5,159,718,567.64/90,588.68
  6. Step 6: Final answer
    x = 56,957.65

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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.