Home / 79,612.10-119,418.12-54,576.24

Finding the Fourth Proportional to 79,612.10, 119,418.12 and 54,576.24

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Solution

The fourth proportional to 79,612.10, 119,418.12 and 54,576.24 is: 81,864.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,612.10 : 119,418.12 = 54,576.24 : x
  2. Step 2: Convert to fraction form
    79,612.10/119,418.12 = 54,576.24/x
  3. Step 3: Cross multiply
    79,612.10x = 119,418.12 × 54,576.24
  4. Step 4: Simplify right side
    79,612.10x = 6,517,391,977.47
  5. Step 5: Solve for x
    x = 6,517,391,977.47/79,612.10
  6. Step 6: Final answer
    x = 81,864.34

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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.