Home / 52,171.74-71,973.09-30,943.26

Finding the Fourth Proportional to 52,171.74, 71,973.09 and 30,943.26

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Solution

The fourth proportional to 52,171.74, 71,973.09 and 30,943.26 is: 42,687.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,171.74 : 71,973.09 = 30,943.26 : x
  2. Step 2: Convert to fraction form
    52,171.74/71,973.09 = 30,943.26/x
  3. Step 3: Cross multiply
    52,171.74x = 71,973.09 × 30,943.26
  4. Step 4: Simplify right side
    52,171.74x = 2,227,082,036.87
  5. Step 5: Solve for x
    x = 2,227,082,036.87/52,171.74
  6. Step 6: Final answer
    x = 42,687.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.