Home / 83,738.84-115,552.86-47,920.64

Finding the Fourth Proportional to 83,738.84, 115,552.86 and 47,920.64

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Solution

The fourth proportional to 83,738.84, 115,552.86 and 47,920.64 is: 66,126.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,738.84 : 115,552.86 = 47,920.64 : x
  2. Step 2: Convert to fraction form
    83,738.84/115,552.86 = 47,920.64/x
  3. Step 3: Cross multiply
    83,738.84x = 115,552.86 × 47,920.64
  4. Step 4: Simplify right side
    83,738.84x = 5,537,366,427.27
  5. Step 5: Solve for x
    x = 5,537,366,427.27/83,738.84
  6. Step 6: Final answer
    x = 66,126.62

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.