Home / 90,537.51-124,935.90-50,251.29

Finding the Fourth Proportional to 90,537.51, 124,935.90 and 50,251.29

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Solution

The fourth proportional to 90,537.51, 124,935.90 and 50,251.29 is: 69,343.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,537.51 : 124,935.90 = 50,251.29 : x
  2. Step 2: Convert to fraction form
    90,537.51/124,935.90 = 50,251.29/x
  3. Step 3: Cross multiply
    90,537.51x = 124,935.90 × 50,251.29
  4. Step 4: Simplify right side
    90,537.51x = 6,278,190,142.31
  5. Step 5: Solve for x
    x = 6,278,190,142.31/90,537.51
  6. Step 6: Final answer
    x = 69,343.53

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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.