Home / 55,921.56-77,161.13-33,266.30

Finding the Fourth Proportional to 55,921.56, 77,161.13 and 33,266.30

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Solution

The fourth proportional to 55,921.56, 77,161.13 and 33,266.30 is: 45,901.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,921.56 : 77,161.13 = 33,266.30 : x
  2. Step 2: Convert to fraction form
    55,921.56/77,161.13 = 33,266.30/x
  3. Step 3: Cross multiply
    55,921.56x = 77,161.13 × 33,266.30
  4. Step 4: Simplify right side
    55,921.56x = 2,566,865,298.92
  5. Step 5: Solve for x
    x = 2,566,865,298.92/55,921.56
  6. Step 6: Final answer
    x = 45,901.17

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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.