Home / 55,775.20-83,645.02-18,326.56

Finding the Fourth Proportional to 55,775.20, 83,645.02 and 18,326.56

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Solution

The fourth proportional to 55,775.20, 83,645.02 and 18,326.56 is: 27,484.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,775.20 : 83,645.02 = 18,326.56 : x
  2. Step 2: Convert to fraction form
    55,775.20/83,645.02 = 18,326.56/x
  3. Step 3: Cross multiply
    55,775.20x = 83,645.02 × 18,326.56
  4. Step 4: Simplify right side
    55,775.20x = 1,532,925,477.73
  5. Step 5: Solve for x
    x = 1,532,925,477.73/55,775.20
  6. Step 6: Final answer
    x = 27,484.00

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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.