Home / 84,681.87-116,857.02-48,883.42

Finding the Fourth Proportional to 84,681.87, 116,857.02 and 48,883.42

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Solution

The fourth proportional to 84,681.87, 116,857.02 and 48,883.42 is: 67,456.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,681.87 : 116,857.02 = 48,883.42 : x
  2. Step 2: Convert to fraction form
    84,681.87/116,857.02 = 48,883.42/x
  3. Step 3: Cross multiply
    84,681.87x = 116,857.02 × 48,883.42
  4. Step 4: Simplify right side
    84,681.87x = 5,712,370,788.61
  5. Step 5: Solve for x
    x = 5,712,370,788.61/84,681.87
  6. Step 6: Final answer
    x = 67,456.83

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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.