Home / 116,071.20-174,139.20-56,908.80

Finding the Fourth Proportional to 116,071.20, 174,139.20 and 56,908.80

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Solution

The fourth proportional to 116,071.20, 174,139.20 and 56,908.80 is: 85,379.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,071.20 : 174,139.20 = 56,908.80 : x
  2. Step 2: Convert to fraction form
    116,071.20/174,139.20 = 56,908.80/x
  3. Step 3: Cross multiply
    116,071.20x = 174,139.20 × 56,908.80
  4. Step 4: Simplify right side
    116,071.20x = 9,910,052,904.96
  5. Step 5: Solve for x
    x = 9,910,052,904.96/116,071.20
  6. Step 6: Final answer
    x = 85,379.09

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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.