Home / 82,057.10-123,085.65-46,972.04

Finding the Fourth Proportional to 82,057.10, 123,085.65 and 46,972.04

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Solution

The fourth proportional to 82,057.10, 123,085.65 and 46,972.04 is: 70,458.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,057.10 : 123,085.65 = 46,972.04 : x
  2. Step 2: Convert to fraction form
    82,057.10/123,085.65 = 46,972.04/x
  3. Step 3: Cross multiply
    82,057.10x = 123,085.65 × 46,972.04
  4. Step 4: Simplify right side
    82,057.10x = 5,781,584,075.23
  5. Step 5: Solve for x
    x = 5,781,584,075.23/82,057.10
  6. Step 6: Final answer
    x = 70,458.06

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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.