Home / 116,662.20-174,878.10-57,449.40

Finding the Fourth Proportional to 116,662.20, 174,878.10 and 57,449.40

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Solution

The fourth proportional to 116,662.20, 174,878.10 and 57,449.40 is: 86,117.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,662.20 : 174,878.10 = 57,449.40 : x
  2. Step 2: Convert to fraction form
    116,662.20/174,878.10 = 57,449.40/x
  3. Step 3: Cross multiply
    116,662.20x = 174,878.10 × 57,449.40
  4. Step 4: Simplify right side
    116,662.20x = 10,046,641,918.14
  5. Step 5: Solve for x
    x = 10,046,641,918.14/116,662.20
  6. Step 6: Final answer
    x = 86,117.37

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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.