Home / 102,623.28-141,581.16-62,321.82

Finding the Fourth Proportional to 102,623.28, 141,581.16 and 62,321.82

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Solution

The fourth proportional to 102,623.28, 141,581.16 and 62,321.82 is: 85,980.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,623.28 : 141,581.16 = 62,321.82 : x
  2. Step 2: Convert to fraction form
    102,623.28/141,581.16 = 62,321.82/x
  3. Step 3: Cross multiply
    102,623.28x = 141,581.16 × 62,321.82
  4. Step 4: Simplify right side
    102,623.28x = 8,823,595,568.91
  5. Step 5: Solve for x
    x = 8,823,595,568.91/102,623.28
  6. Step 6: Final answer
    x = 85,980.45

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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.