Home / 116,135.59-174,085.73-78,699.44

Finding the Fourth Proportional to 116,135.59, 174,085.73 and 78,699.44

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Solution

The fourth proportional to 116,135.59, 174,085.73 and 78,699.44 is: 117,969.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,135.59 : 174,085.73 = 78,699.44 : x
  2. Step 2: Convert to fraction form
    116,135.59/174,085.73 = 78,699.44/x
  3. Step 3: Cross multiply
    116,135.59x = 174,085.73 × 78,699.44
  4. Step 4: Simplify right side
    116,135.59x = 13,700,449,462.99
  5. Step 5: Solve for x
    x = 13,700,449,462.99/116,135.59
  6. Step 6: Final answer
    x = 117,969.44

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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.