Home / 53,720.84-80,581.54-18,182.50

Finding the Fourth Proportional to 53,720.84, 80,581.54 and 18,182.50

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Solution

The fourth proportional to 53,720.84, 80,581.54 and 18,182.50 is: 27,273.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,720.84 : 80,581.54 = 18,182.50 : x
  2. Step 2: Convert to fraction form
    53,720.84/80,581.54 = 18,182.50/x
  3. Step 3: Cross multiply
    53,720.84x = 80,581.54 × 18,182.50
  4. Step 4: Simplify right side
    53,720.84x = 1,465,173,851.05
  5. Step 5: Solve for x
    x = 1,465,173,851.05/53,720.84
  6. Step 6: Final answer
    x = 27,273.84

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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.