Home / 96,403.97-144,417.63-66,412.91

Finding the Fourth Proportional to 96,403.97, 144,417.63 and 66,412.91

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Solution

The fourth proportional to 96,403.97, 144,417.63 and 66,412.91 is: 99,489.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,403.97 : 144,417.63 = 66,412.91 : x
  2. Step 2: Convert to fraction form
    96,403.97/144,417.63 = 66,412.91/x
  3. Step 3: Cross multiply
    96,403.97x = 144,417.63 × 66,412.91
  4. Step 4: Simplify right side
    96,403.97x = 9,591,195,673.70
  5. Step 5: Solve for x
    x = 9,591,195,673.70/96,403.97
  6. Step 6: Final answer
    x = 99,489.63

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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.