Home / 119,624.29-165,077.61-68,636.20

Finding the Fourth Proportional to 119,624.29, 165,077.61 and 68,636.20

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Solution

The fourth proportional to 119,624.29, 165,077.61 and 68,636.20 is: 94,715.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,624.29 : 165,077.61 = 68,636.20 : x
  2. Step 2: Convert to fraction form
    119,624.29/165,077.61 = 68,636.20/x
  3. Step 3: Cross multiply
    119,624.29x = 165,077.61 × 68,636.20
  4. Step 4: Simplify right side
    119,624.29x = 11,330,300,403.93
  5. Step 5: Solve for x
    x = 11,330,300,403.93/119,624.29
  6. Step 6: Final answer
    x = 94,715.72

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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.