Home / 102,523.10-153,669.45-52,583.90

Finding the Fourth Proportional to 102,523.10, 153,669.45 and 52,583.90

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Solution

The fourth proportional to 102,523.10, 153,669.45 and 52,583.90 is: 78,816.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,523.10 : 153,669.45 = 52,583.90 : x
  2. Step 2: Convert to fraction form
    102,523.10/153,669.45 = 52,583.90/x
  3. Step 3: Cross multiply
    102,523.10x = 153,669.45 × 52,583.90
  4. Step 4: Simplify right side
    102,523.10x = 8,080,538,991.86
  5. Step 5: Solve for x
    x = 8,080,538,991.86/102,523.10
  6. Step 6: Final answer
    x = 78,816.76

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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.