Home / 104,247.72-143,857.98-56,500.02

Finding the Fourth Proportional to 104,247.72, 143,857.98 and 56,500.02

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Solution

The fourth proportional to 104,247.72, 143,857.98 and 56,500.02 is: 77,967.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,247.72 : 143,857.98 = 56,500.02 : x
  2. Step 2: Convert to fraction form
    104,247.72/143,857.98 = 56,500.02/x
  3. Step 3: Cross multiply
    104,247.72x = 143,857.98 × 56,500.02
  4. Step 4: Simplify right side
    104,247.72x = 8,127,978,747.16
  5. Step 5: Solve for x
    x = 8,127,978,747.16/104,247.72
  6. Step 6: Final answer
    x = 77,967.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.