Home / 55,619.78-83,443.32-16,177.23

Finding the Fourth Proportional to 55,619.78, 83,443.32 and 16,177.23

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Solution

The fourth proportional to 55,619.78, 83,443.32 and 16,177.23 is: 24,269.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,619.78 : 83,443.32 = 16,177.23 : x
  2. Step 2: Convert to fraction form
    55,619.78/83,443.32 = 16,177.23/x
  3. Step 3: Cross multiply
    55,619.78x = 83,443.32 × 16,177.23
  4. Step 4: Simplify right side
    55,619.78x = 1,349,881,779.60
  5. Step 5: Solve for x
    x = 1,349,881,779.60/55,619.78
  6. Step 6: Final answer
    x = 24,269.82

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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.