Home / 83,623.40-125,435.10-50,445.80

Finding the Fourth Proportional to 83,623.40, 125,435.10 and 50,445.80

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Solution

The fourth proportional to 83,623.40, 125,435.10 and 50,445.80 is: 75,668.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,623.40 : 125,435.10 = 50,445.80 : x
  2. Step 2: Convert to fraction form
    83,623.40/125,435.10 = 50,445.80/x
  3. Step 3: Cross multiply
    83,623.40x = 125,435.10 × 50,445.80
  4. Step 4: Simplify right side
    83,623.40x = 6,327,673,967.58
  5. Step 5: Solve for x
    x = 6,327,673,967.58/83,623.40
  6. Step 6: Final answer
    x = 75,668.70

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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.