Home / 55,720.06-83,582.88-18,276.82

Finding the Fourth Proportional to 55,720.06, 83,582.88 and 18,276.82

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Solution

The fourth proportional to 55,720.06, 83,582.88 and 18,276.82 is: 27,416.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,720.06 : 83,582.88 = 18,276.82 : x
  2. Step 2: Convert to fraction form
    55,720.06/83,582.88 = 18,276.82/x
  3. Step 3: Cross multiply
    55,720.06x = 83,582.88 × 18,276.82
  4. Step 4: Simplify right side
    55,720.06x = 1,527,629,252.84
  5. Step 5: Solve for x
    x = 1,527,629,252.84/55,720.06
  6. Step 6: Final answer
    x = 27,416.15

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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.