Home / 55,558.14-83,345.85-18,613.50

Finding the Fourth Proportional to 55,558.14, 83,345.85 and 18,613.50

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Solution

The fourth proportional to 55,558.14, 83,345.85 and 18,613.50 is: 27,923.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,558.14 : 83,345.85 = 18,613.50 : x
  2. Step 2: Convert to fraction form
    55,558.14/83,345.85 = 18,613.50/x
  3. Step 3: Cross multiply
    55,558.14x = 83,345.85 × 18,613.50
  4. Step 4: Simplify right side
    55,558.14x = 1,551,357,978.98
  5. Step 5: Solve for x
    x = 1,551,357,978.98/55,558.14
  6. Step 6: Final answer
    x = 27,923.14

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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.