Home / 102,084.74-152,799.48-54,581.12

Finding the Fourth Proportional to 102,084.74, 152,799.48 and 54,581.12

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Solution

The fourth proportional to 102,084.74, 152,799.48 and 54,581.12 is: 81,696.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,084.74 : 152,799.48 = 54,581.12 : x
  2. Step 2: Convert to fraction form
    102,084.74/152,799.48 = 54,581.12/x
  3. Step 3: Cross multiply
    102,084.74x = 152,799.48 × 54,581.12
  4. Step 4: Simplify right side
    102,084.74x = 8,339,966,753.82
  5. Step 5: Solve for x
    x = 8,339,966,753.82/102,084.74
  6. Step 6: Final answer
    x = 81,696.51

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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.