Home / 82,490.23-113,839.04-48,492.50

Finding the Fourth Proportional to 82,490.23, 113,839.04 and 48,492.50

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Solution

The fourth proportional to 82,490.23, 113,839.04 and 48,492.50 is: 66,921.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,490.23 : 113,839.04 = 48,492.50 : x
  2. Step 2: Convert to fraction form
    82,490.23/113,839.04 = 48,492.50/x
  3. Step 3: Cross multiply
    82,490.23x = 113,839.04 × 48,492.50
  4. Step 4: Simplify right side
    82,490.23x = 5,520,339,404.74
  5. Step 5: Solve for x
    x = 5,520,339,404.74/82,490.23
  6. Step 6: Final answer
    x = 66,921.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.