Home / 53,642.67-80,445.78-18,574.13

Finding the Fourth Proportional to 53,642.67, 80,445.78 and 18,574.13

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Solution

The fourth proportional to 53,642.67, 80,445.78 and 18,574.13 is: 27,854.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,642.67 : 80,445.78 = 18,574.13 : x
  2. Step 2: Convert to fraction form
    53,642.67/80,445.78 = 18,574.13/x
  3. Step 3: Cross multiply
    53,642.67x = 80,445.78 × 18,574.13
  4. Step 4: Simplify right side
    53,642.67x = 1,494,209,973.44
  5. Step 5: Solve for x
    x = 1,494,209,973.44/53,642.67
  6. Step 6: Final answer
    x = 27,854.88

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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.