Home / 53,203.73-79,756.58-18,118.98

Finding the Fourth Proportional to 53,203.73, 79,756.58 and 18,118.98

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Solution

The fourth proportional to 53,203.73, 79,756.58 and 18,118.98 is: 27,161.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,203.73 : 79,756.58 = 18,118.98 : x
  2. Step 2: Convert to fraction form
    53,203.73/79,756.58 = 18,118.98/x
  3. Step 3: Cross multiply
    53,203.73x = 79,756.58 × 18,118.98
  4. Step 4: Simplify right side
    53,203.73x = 1,445,107,787.29
  5. Step 5: Solve for x
    x = 1,445,107,787.29/53,203.73
  6. Step 6: Final answer
    x = 27,161.78

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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.