Home / 81,526.43-122,184.36-36,514.89

Finding the Fourth Proportional to 81,526.43, 122,184.36 and 36,514.89

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Solution

The fourth proportional to 81,526.43, 122,184.36 and 36,514.89 is: 54,725.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,526.43 : 122,184.36 = 36,514.89 : x
  2. Step 2: Convert to fraction form
    81,526.43/122,184.36 = 36,514.89/x
  3. Step 3: Cross multiply
    81,526.43x = 122,184.36 × 36,514.89
  4. Step 4: Simplify right side
    81,526.43x = 4,461,548,465.12
  5. Step 5: Solve for x
    x = 4,461,548,465.12/81,526.43
  6. Step 6: Final answer
    x = 54,725.18

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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.