Home / 55,561.02-83,350.20-18,112.38

Finding the Fourth Proportional to 55,561.02, 83,350.20 and 18,112.38

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Solution

The fourth proportional to 55,561.02, 83,350.20 and 18,112.38 is: 27,171.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,561.02 : 83,350.20 = 18,112.38 : x
  2. Step 2: Convert to fraction form
    55,561.02/83,350.20 = 18,112.38/x
  3. Step 3: Cross multiply
    55,561.02x = 83,350.20 × 18,112.38
  4. Step 4: Simplify right side
    55,561.02x = 1,509,670,495.48
  5. Step 5: Solve for x
    x = 1,509,670,495.48/55,561.02
  6. Step 6: Final answer
    x = 27,171.40

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1.5x scale

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.