Home / 83,563.61-115,299.13-49,554.82

Finding the Fourth Proportional to 83,563.61, 115,299.13 and 49,554.82

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Solution

The fourth proportional to 83,563.61, 115,299.13 and 49,554.82 is: 68,374.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,563.61 : 115,299.13 = 49,554.82 : x
  2. Step 2: Convert to fraction form
    83,563.61/115,299.13 = 49,554.82/x
  3. Step 3: Cross multiply
    83,563.61x = 115,299.13 × 49,554.82
  4. Step 4: Simplify right side
    83,563.61x = 5,713,626,809.04
  5. Step 5: Solve for x
    x = 5,713,626,809.04/83,563.61
  6. Step 6: Final answer
    x = 68,374.58

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1.5x scale

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.