Home / 55,561.17-83,346.77-18,111.53

Finding the Fourth Proportional to 55,561.17, 83,346.77 and 18,111.53

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Solution

The fourth proportional to 55,561.17, 83,346.77 and 18,111.53 is: 27,168.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,561.17 : 83,346.77 = 18,111.53 : x
  2. Step 2: Convert to fraction form
    55,561.17/83,346.77 = 18,111.53/x
  3. Step 3: Cross multiply
    55,561.17x = 83,346.77 × 18,111.53
  4. Step 4: Simplify right side
    55,561.17x = 1,509,537,778.90
  5. Step 5: Solve for x
    x = 1,509,537,778.90/55,561.17
  6. Step 6: Final answer
    x = 27,168.93

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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.