Home / 83,548.80-115,257.60-50,008.32

Finding the Fourth Proportional to 83,548.80, 115,257.60 and 50,008.32

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Solution

The fourth proportional to 83,548.80, 115,257.60 and 50,008.32 is: 68,987.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,548.80 : 115,257.60 = 50,008.32 : x
  2. Step 2: Convert to fraction form
    83,548.80/115,257.60 = 50,008.32/x
  3. Step 3: Cross multiply
    83,548.80x = 115,257.60 × 50,008.32
  4. Step 4: Simplify right side
    83,548.80x = 5,763,838,943.23
  5. Step 5: Solve for x
    x = 5,763,838,943.23/83,548.80
  6. Step 6: Final answer
    x = 68,987.69

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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.