Home / 55,979.38-77,254.03-33,010.12

Finding the Fourth Proportional to 55,979.38, 77,254.03 and 33,010.12

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Solution

The fourth proportional to 55,979.38, 77,254.03 and 33,010.12 is: 45,555.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,979.38 : 77,254.03 = 33,010.12 : x
  2. Step 2: Convert to fraction form
    55,979.38/77,254.03 = 33,010.12/x
  3. Step 3: Cross multiply
    55,979.38x = 77,254.03 × 33,010.12
  4. Step 4: Simplify right side
    55,979.38x = 2,550,164,497.04
  5. Step 5: Solve for x
    x = 2,550,164,497.04/55,979.38
  6. Step 6: Final answer
    x = 45,555.43

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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.