Home / 50,815.48-70,140.18-32,909.80

Finding the Fourth Proportional to 50,815.48, 70,140.18 and 32,909.80

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Solution

The fourth proportional to 50,815.48, 70,140.18 and 32,909.80 is: 45,425.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,815.48 : 70,140.18 = 32,909.80 : x
  2. Step 2: Convert to fraction form
    50,815.48/70,140.18 = 32,909.80/x
  3. Step 3: Cross multiply
    50,815.48x = 70,140.18 × 32,909.80
  4. Step 4: Simplify right side
    50,815.48x = 2,308,299,295.76
  5. Step 5: Solve for x
    x = 2,308,299,295.76/50,815.48
  6. Step 6: Final answer
    x = 45,425.12

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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.