Home / 84,685.26-116,857.24-48,886.80

Finding the Fourth Proportional to 84,685.26, 116,857.24 and 48,886.80

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Solution

The fourth proportional to 84,685.26, 116,857.24 and 48,886.80 is: 67,458.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,685.26 : 116,857.24 = 48,886.80 : x
  2. Step 2: Convert to fraction form
    84,685.26/116,857.24 = 48,886.80/x
  3. Step 3: Cross multiply
    84,685.26x = 116,857.24 × 48,886.80
  4. Step 4: Simplify right side
    84,685.26x = 5,712,776,520.43
  5. Step 5: Solve for x
    x = 5,712,776,520.43/84,685.26
  6. Step 6: Final answer
    x = 67,458.92

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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.