Home / 89,883.42-124,044.66-51,655.20

Finding the Fourth Proportional to 89,883.42, 124,044.66 and 51,655.20

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Solution

The fourth proportional to 89,883.42, 124,044.66 and 51,655.20 is: 71,287.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,883.42 : 124,044.66 = 51,655.20 : x
  2. Step 2: Convert to fraction form
    89,883.42/124,044.66 = 51,655.20/x
  3. Step 3: Cross multiply
    89,883.42x = 124,044.66 × 51,655.20
  4. Step 4: Simplify right side
    89,883.42x = 6,407,551,721.23
  5. Step 5: Solve for x
    x = 6,407,551,721.23/89,883.42
  6. Step 6: Final answer
    x = 71,287.36

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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.