Home / 55,726.08-83,535.36-18,769.92

Finding the Fourth Proportional to 55,726.08, 83,535.36 and 18,769.92

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Solution

The fourth proportional to 55,726.08, 83,535.36 and 18,769.92 is: 28,136.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,726.08 : 83,535.36 = 18,769.92 : x
  2. Step 2: Convert to fraction form
    55,726.08/83,535.36 = 18,769.92/x
  3. Step 3: Cross multiply
    55,726.08x = 83,535.36 × 18,769.92
  4. Step 4: Simplify right side
    55,726.08x = 1,567,952,024.37
  5. Step 5: Solve for x
    x = 1,567,952,024.37/55,726.08
  6. Step 6: Final answer
    x = 28,136.77

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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.