Home / 124,135.49-186,057.36-57,434.73

Finding the Fourth Proportional to 124,135.49, 186,057.36 and 57,434.73

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Solution

The fourth proportional to 124,135.49, 186,057.36 and 57,434.73 is: 86,084.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,135.49 : 186,057.36 = 57,434.73 : x
  2. Step 2: Convert to fraction form
    124,135.49/186,057.36 = 57,434.73/x
  3. Step 3: Cross multiply
    124,135.49x = 186,057.36 × 57,434.73
  4. Step 4: Simplify right side
    124,135.49x = 10,686,154,236.11
  5. Step 5: Solve for x
    x = 10,686,154,236.11/124,135.49
  6. Step 6: Final answer
    x = 86,084.61

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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.