Home / 95,195.07-142,636.83-57,641.40

Finding the Fourth Proportional to 95,195.07, 142,636.83 and 57,641.40

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Solution

The fourth proportional to 95,195.07, 142,636.83 and 57,641.40 is: 86,367.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,195.07 : 142,636.83 = 57,641.40 : x
  2. Step 2: Convert to fraction form
    95,195.07/142,636.83 = 57,641.40/x
  3. Step 3: Cross multiply
    95,195.07x = 142,636.83 × 57,641.40
  4. Step 4: Simplify right side
    95,195.07x = 8,221,786,572.76
  5. Step 5: Solve for x
    x = 8,221,786,572.76/95,195.07
  6. Step 6: Final answer
    x = 86,367.78

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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.