Home / 119,627.74-165,090.02-68,649.80

Finding the Fourth Proportional to 119,627.74, 165,090.02 and 68,649.80

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Solution

The fourth proportional to 119,627.74, 165,090.02 and 68,649.80 is: 94,738.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,627.74 : 165,090.02 = 68,649.80 : x
  2. Step 2: Convert to fraction form
    119,627.74/165,090.02 = 68,649.80/x
  3. Step 3: Cross multiply
    119,627.74x = 165,090.02 × 68,649.80
  4. Step 4: Simplify right side
    119,627.74x = 11,333,396,510.71
  5. Step 5: Solve for x
    x = 11,333,396,510.71/119,627.74
  6. Step 6: Final answer
    x = 94,738.87

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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.