Home / 55,371.06-82,931.76-25,726.50

Finding the Fourth Proportional to 55,371.06, 82,931.76 and 25,726.50

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Solution

The fourth proportional to 55,371.06, 82,931.76 and 25,726.50 is: 38,531.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,371.06 : 82,931.76 = 25,726.50 : x
  2. Step 2: Convert to fraction form
    55,371.06/82,931.76 = 25,726.50/x
  3. Step 3: Cross multiply
    55,371.06x = 82,931.76 × 25,726.50
  4. Step 4: Simplify right side
    55,371.06x = 2,133,543,923.64
  5. Step 5: Solve for x
    x = 2,133,543,923.64/55,371.06
  6. Step 6: Final answer
    x = 38,531.75

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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.