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Finding the Fourth Proportional to 83,853.60, 125,877.60 and 50,611.20

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Solution

The fourth proportional to 83,853.60, 125,877.60 and 50,611.20 is: 75,975.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,853.60 : 125,877.60 = 50,611.20 : x
  2. Step 2: Convert to fraction form
    83,853.60/125,877.60 = 50,611.20/x
  3. Step 3: Cross multiply
    83,853.60x = 125,877.60 × 50,611.20
  4. Step 4: Simplify right side
    83,853.60x = 6,370,816,389.12
  5. Step 5: Solve for x
    x = 6,370,816,389.12/83,853.60
  6. Step 6: Final answer
    x = 75,975.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.