Home / 55,726.95-83,600.55-18,276.60

Finding the Fourth Proportional to 55,726.95, 83,600.55 and 18,276.60

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Solution

The fourth proportional to 55,726.95, 83,600.55 and 18,276.60 is: 27,418.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,726.95 : 83,600.55 = 18,276.60 : x
  2. Step 2: Convert to fraction form
    55,726.95/83,600.55 = 18,276.60/x
  3. Step 3: Cross multiply
    55,726.95x = 83,600.55 × 18,276.60
  4. Step 4: Simplify right side
    55,726.95x = 1,527,933,812.13
  5. Step 5: Solve for x
    x = 1,527,933,812.13/55,726.95
  6. Step 6: Final answer
    x = 27,418.22

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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.