Home / 55,565.12-83,325.71-18,115.99

Finding the Fourth Proportional to 55,565.12, 83,325.71 and 18,115.99

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Solution

The fourth proportional to 55,565.12, 83,325.71 and 18,115.99 is: 27,166.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,565.12 : 83,325.71 = 18,115.99 : x
  2. Step 2: Convert to fraction form
    55,565.12/83,325.71 = 18,115.99/x
  3. Step 3: Cross multiply
    55,565.12x = 83,325.71 × 18,115.99
  4. Step 4: Simplify right side
    55,565.12x = 1,509,527,566.08
  5. Step 5: Solve for x
    x = 1,509,527,566.08/55,565.12
  6. Step 6: Final answer
    x = 27,166.82

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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.