Home / 55,670.07-83,503.86-13,550.43

Finding the Fourth Proportional to 55,670.07, 83,503.86 and 13,550.43

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Solution

The fourth proportional to 55,670.07, 83,503.86 and 13,550.43 is: 20,325.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,670.07 : 83,503.86 = 13,550.43 : x
  2. Step 2: Convert to fraction form
    55,670.07/83,503.86 = 13,550.43/x
  3. Step 3: Cross multiply
    55,670.07x = 83,503.86 × 13,550.43
  4. Step 4: Simplify right side
    55,670.07x = 1,131,513,209.66
  5. Step 5: Solve for x
    x = 1,131,513,209.66/55,670.07
  6. Step 6: Final answer
    x = 20,325.34

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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.