Home / 79,504.20-119,256.30-51,510.60

Finding the Fourth Proportional to 79,504.20, 119,256.30 and 51,510.60

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Solution

The fourth proportional to 79,504.20, 119,256.30 and 51,510.60 is: 77,265.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,504.20 : 119,256.30 = 51,510.60 : x
  2. Step 2: Convert to fraction form
    79,504.20/119,256.30 = 51,510.60/x
  3. Step 3: Cross multiply
    79,504.20x = 119,256.30 × 51,510.60
  4. Step 4: Simplify right side
    79,504.20x = 6,142,963,566.78
  5. Step 5: Solve for x
    x = 6,142,963,566.78/79,504.20
  6. Step 6: Final answer
    x = 77,265.90

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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.