Home / 50,917.74-70,263.30-30,762.70

Finding the Fourth Proportional to 50,917.74, 70,263.30 and 30,762.70

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Solution

The fourth proportional to 50,917.74, 70,263.30 and 30,762.70 is: 42,450.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,917.74 : 70,263.30 = 30,762.70 : x
  2. Step 2: Convert to fraction form
    50,917.74/70,263.30 = 30,762.70/x
  3. Step 3: Cross multiply
    50,917.74x = 70,263.30 × 30,762.70
  4. Step 4: Simplify right side
    50,917.74x = 2,161,488,818.91
  5. Step 5: Solve for x
    x = 2,161,488,818.91/50,917.74
  6. Step 6: Final answer
    x = 42,450.60

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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.