Home / 83,000.08-124,383.48-36,154.72

Finding the Fourth Proportional to 83,000.08, 124,383.48 and 36,154.72

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Solution

The fourth proportional to 83,000.08, 124,383.48 and 36,154.72 is: 54,181.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,000.08 : 124,383.48 = 36,154.72 : x
  2. Step 2: Convert to fraction form
    83,000.08/124,383.48 = 36,154.72/x
  3. Step 3: Cross multiply
    83,000.08x = 124,383.48 × 36,154.72
  4. Step 4: Simplify right side
    83,000.08x = 4,497,049,892.03
  5. Step 5: Solve for x
    x = 4,497,049,892.03/83,000.08
  6. Step 6: Final answer
    x = 54,181.27

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1.5x scale

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.