Home / 104,199.72-143,795.75-56,453.07

Finding the Fourth Proportional to 104,199.72, 143,795.75 and 56,453.07

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Solution

The fourth proportional to 104,199.72, 143,795.75 and 56,453.07 is: 77,905.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,199.72 : 143,795.75 = 56,453.07 : x
  2. Step 2: Convert to fraction form
    104,199.72/143,795.75 = 56,453.07/x
  3. Step 3: Cross multiply
    104,199.72x = 143,795.75 × 56,453.07
  4. Step 4: Simplify right side
    104,199.72x = 8,117,711,681.59
  5. Step 5: Solve for x
    x = 8,117,711,681.59/104,199.72
  6. Step 6: Final answer
    x = 77,905.31

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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.