Home / 96,297.83-144,144-66,135.45

Finding the Fourth Proportional to 96,297.83, 144,144 and 66,135.45

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Solution

The fourth proportional to 96,297.83, 144,144 and 66,135.45 is: 98,995.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,297.83 : 144,144 = 66,135.45 : x
  2. Step 2: Convert to fraction form
    96,297.83/144,144 = 66,135.45/x
  3. Step 3: Cross multiply
    96,297.83x = 144,144 × 66,135.45
  4. Step 4: Simplify right side
    96,297.83x = 9,533,028,304.80
  5. Step 5: Solve for x
    x = 9,533,028,304.80/96,297.83
  6. Step 6: Final answer
    x = 98,995.26

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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.