Home / 104,214.86-143,816.28-56,469.50

Finding the Fourth Proportional to 104,214.86, 143,816.28 and 56,469.50

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Solution

The fourth proportional to 104,214.86, 143,816.28 and 56,469.50 is: 77,927.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,214.86 : 143,816.28 = 56,469.50 : x
  2. Step 2: Convert to fraction form
    104,214.86/143,816.28 = 56,469.50/x
  3. Step 3: Cross multiply
    104,214.86x = 143,816.28 × 56,469.50
  4. Step 4: Simplify right side
    104,214.86x = 8,121,233,423.46
  5. Step 5: Solve for x
    x = 8,121,233,423.46/104,214.86
  6. Step 6: Final answer
    x = 77,927.79

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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.