Home / 168,981.72-253,528.74-56,673

Finding the Fourth Proportional to 168,981.72, 253,528.74 and 56,673

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Solution

The fourth proportional to 168,981.72, 253,528.74 and 56,673 is: 85,028.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,981.72 : 253,528.74 = 56,673 : x
  2. Step 2: Convert to fraction form
    168,981.72/253,528.74 = 56,673/x
  3. Step 3: Cross multiply
    168,981.72x = 253,528.74 × 56,673
  4. Step 4: Simplify right side
    168,981.72x = 14,368,234,282.02
  5. Step 5: Solve for x
    x = 14,368,234,282.02/168,981.72
  6. Step 6: Final answer
    x = 85,028.33

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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.