Home / 83,021.88-124,569.36-43,569.48

Finding the Fourth Proportional to 83,021.88, 124,569.36 and 43,569.48

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Solution

The fourth proportional to 83,021.88, 124,569.36 and 43,569.48 is: 65,373.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,021.88 : 124,569.36 = 43,569.48 : x
  2. Step 2: Convert to fraction form
    83,021.88/124,569.36 = 43,569.48/x
  3. Step 3: Cross multiply
    83,021.88x = 124,569.36 × 43,569.48
  4. Step 4: Simplify right side
    83,021.88x = 5,427,422,239.13
  5. Step 5: Solve for x
    x = 5,427,422,239.13/83,021.88
  6. Step 6: Final answer
    x = 65,373.40

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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.