Home / 116,072.13-174,130.05-82,709.43

Finding the Fourth Proportional to 116,072.13, 174,130.05 and 82,709.43

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Solution

The fourth proportional to 116,072.13, 174,130.05 and 82,709.43 is: 124,079.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,072.13 : 174,130.05 = 82,709.43 : x
  2. Step 2: Convert to fraction form
    116,072.13/174,130.05 = 82,709.43/x
  3. Step 3: Cross multiply
    116,072.13x = 174,130.05 × 82,709.43
  4. Step 4: Simplify right side
    116,072.13x = 14,402,197,181.37
  5. Step 5: Solve for x
    x = 14,402,197,181.37/116,072.13
  6. Step 6: Final answer
    x = 124,079.72

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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.