Home / 124,429.80-186,668.70-53,351.40

Finding the Fourth Proportional to 124,429.80, 186,668.70 and 53,351.40

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Solution

The fourth proportional to 124,429.80, 186,668.70 and 53,351.40 is: 80,037.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,429.80 : 186,668.70 = 53,351.40 : x
  2. Step 2: Convert to fraction form
    124,429.80/186,668.70 = 53,351.40/x
  3. Step 3: Cross multiply
    124,429.80x = 186,668.70 × 53,351.40
  4. Step 4: Simplify right side
    124,429.80x = 9,959,036,481.18
  5. Step 5: Solve for x
    x = 9,959,036,481.18/124,429.80
  6. Step 6: Final answer
    x = 80,037.39

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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.