Home / 53,205.04-79,818.90-18,167.68

Finding the Fourth Proportional to 53,205.04, 79,818.90 and 18,167.68

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Solution

The fourth proportional to 53,205.04, 79,818.90 and 18,167.68 is: 27,255.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,205.04 : 79,818.90 = 18,167.68 : x
  2. Step 2: Convert to fraction form
    53,205.04/79,818.90 = 18,167.68/x
  3. Step 3: Cross multiply
    53,205.04x = 79,818.90 × 18,167.68
  4. Step 4: Simplify right side
    53,205.04x = 1,450,124,233.15
  5. Step 5: Solve for x
    x = 1,450,124,233.15/53,205.04
  6. Step 6: Final answer
    x = 27,255.39

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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.