Home / 55,812.40-83,726.70-26,231.20

Finding the Fourth Proportional to 55,812.40, 83,726.70 and 26,231.20

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Solution

The fourth proportional to 55,812.40, 83,726.70 and 26,231.20 is: 39,350.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,812.40 : 83,726.70 = 26,231.20 : x
  2. Step 2: Convert to fraction form
    55,812.40/83,726.70 = 26,231.20/x
  3. Step 3: Cross multiply
    55,812.40x = 83,726.70 × 26,231.20
  4. Step 4: Simplify right side
    55,812.40x = 2,196,251,813.04
  5. Step 5: Solve for x
    x = 2,196,251,813.04/55,812.40
  6. Step 6: Final answer
    x = 39,350.61

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1.5x scale

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.