Home / 55,566.87-83,328.34-18,117.74

Finding the Fourth Proportional to 55,566.87, 83,328.34 and 18,117.74

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Solution

The fourth proportional to 55,566.87, 83,328.34 and 18,117.74 is: 27,169.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,566.87 : 83,328.34 = 18,117.74 : x
  2. Step 2: Convert to fraction form
    55,566.87/83,328.34 = 18,117.74/x
  3. Step 3: Cross multiply
    55,566.87x = 83,328.34 × 18,117.74
  4. Step 4: Simplify right side
    55,566.87x = 1,509,721,198.75
  5. Step 5: Solve for x
    x = 1,509,721,198.75/55,566.87
  6. Step 6: Final answer
    x = 27,169.45

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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.