Home / 102,437.39-153,700.37-54,997.11

Finding the Fourth Proportional to 102,437.39, 153,700.37 and 54,997.11

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Solution

The fourth proportional to 102,437.39, 153,700.37 and 54,997.11 is: 82,519.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,437.39 : 153,700.37 = 54,997.11 : x
  2. Step 2: Convert to fraction form
    102,437.39/153,700.37 = 54,997.11/x
  3. Step 3: Cross multiply
    102,437.39x = 153,700.37 × 54,997.11
  4. Step 4: Simplify right side
    102,437.39x = 8,453,076,087.18
  5. Step 5: Solve for x
    x = 8,453,076,087.18/102,437.39
  6. Step 6: Final answer
    x = 82,519.44

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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.