Home / 51,904.40-77,914.20-48,520.40

Finding the Fourth Proportional to 51,904.40, 77,914.20 and 48,520.40

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Solution

The fourth proportional to 51,904.40, 77,914.20 and 48,520.40 is: 72,834.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,904.40 : 77,914.20 = 48,520.40 : x
  2. Step 2: Convert to fraction form
    51,904.40/77,914.20 = 48,520.40/x
  3. Step 3: Cross multiply
    51,904.40x = 77,914.20 × 48,520.40
  4. Step 4: Simplify right side
    51,904.40x = 3,780,428,149.68
  5. Step 5: Solve for x
    x = 3,780,428,149.68/51,904.40
  6. Step 6: Final answer
    x = 72,834.44

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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.