Home / 83,493.61-124,944.75-51,918.53

Finding the Fourth Proportional to 83,493.61, 124,944.75 and 51,918.53

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Solution

The fourth proportional to 83,493.61, 124,944.75 and 51,918.53 is: 77,693.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,493.61 : 124,944.75 = 51,918.53 : x
  2. Step 2: Convert to fraction form
    83,493.61/124,944.75 = 51,918.53/x
  3. Step 3: Cross multiply
    83,493.61x = 124,944.75 × 51,918.53
  4. Step 4: Simplify right side
    83,493.61x = 6,486,947,126.49
  5. Step 5: Solve for x
    x = 6,486,947,126.49/83,493.61
  6. Step 6: Final answer
    x = 77,693.94

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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.