Home / 53,984.64-74,500.41-30,110.80

Finding the Fourth Proportional to 53,984.64, 74,500.41 and 30,110.80

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Solution

The fourth proportional to 53,984.64, 74,500.41 and 30,110.80 is: 41,553.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,984.64 : 74,500.41 = 30,110.80 : x
  2. Step 2: Convert to fraction form
    53,984.64/74,500.41 = 30,110.80/x
  3. Step 3: Cross multiply
    53,984.64x = 74,500.41 × 30,110.80
  4. Step 4: Simplify right side
    53,984.64x = 2,243,266,947.17
  5. Step 5: Solve for x
    x = 2,243,266,947.17/53,984.64
  6. Step 6: Final answer
    x = 41,553.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.