Home / 82,356.70-123,535.05-49,114.30

Finding the Fourth Proportional to 82,356.70, 123,535.05 and 49,114.30

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Solution

The fourth proportional to 82,356.70, 123,535.05 and 49,114.30 is: 73,671.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,356.70 : 123,535.05 = 49,114.30 : x
  2. Step 2: Convert to fraction form
    82,356.70/123,535.05 = 49,114.30/x
  3. Step 3: Cross multiply
    82,356.70x = 123,535.05 × 49,114.30
  4. Step 4: Simplify right side
    82,356.70x = 6,067,337,506.22
  5. Step 5: Solve for x
    x = 6,067,337,506.22/82,356.70
  6. Step 6: Final answer
    x = 73,671.45

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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.