Home / 129,762.27-194,752.77-50,931.84

Finding the Fourth Proportional to 129,762.27, 194,752.77 and 50,931.84

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Solution

The fourth proportional to 129,762.27, 194,752.77 and 50,931.84 is: 76,440.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,762.27 : 194,752.77 = 50,931.84 : x
  2. Step 2: Convert to fraction form
    129,762.27/194,752.77 = 50,931.84/x
  3. Step 3: Cross multiply
    129,762.27x = 194,752.77 × 50,931.84
  4. Step 4: Simplify right side
    129,762.27x = 9,919,116,921.20
  5. Step 5: Solve for x
    x = 9,919,116,921.20/129,762.27
  6. Step 6: Final answer
    x = 76,440.69

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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.