Home / 116,668.20-174,887.10-57,455.40

Finding the Fourth Proportional to 116,668.20, 174,887.10 and 57,455.40

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Solution

The fourth proportional to 116,668.20, 174,887.10 and 57,455.40 is: 86,126.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,668.20 : 174,887.10 = 57,455.40 : x
  2. Step 2: Convert to fraction form
    116,668.20/174,887.10 = 57,455.40/x
  3. Step 3: Cross multiply
    116,668.20x = 174,887.10 × 57,455.40
  4. Step 4: Simplify right side
    116,668.20x = 10,048,208,285.34
  5. Step 5: Solve for x
    x = 10,048,208,285.34/116,668.20
  6. Step 6: Final answer
    x = 86,126.37

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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.