Home / 119,059.74-164,290.48-71,311.86

Finding the Fourth Proportional to 119,059.74, 164,290.48 and 71,311.86

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Solution

The fourth proportional to 119,059.74, 164,290.48 and 71,311.86 is: 98,403.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,059.74 : 164,290.48 = 71,311.86 : x
  2. Step 2: Convert to fraction form
    119,059.74/164,290.48 = 71,311.86/x
  3. Step 3: Cross multiply
    119,059.74x = 164,290.48 × 71,311.86
  4. Step 4: Simplify right side
    119,059.74x = 11,715,859,530.81
  5. Step 5: Solve for x
    x = 11,715,859,530.81/119,059.74
  6. Step 6: Final answer
    x = 98,403.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.