Home / 104,365.04-143,958.21-61,893.50

Finding the Fourth Proportional to 104,365.04, 143,958.21 and 61,893.50

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Solution

The fourth proportional to 104,365.04, 143,958.21 and 61,893.50 is: 85,374.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,365.04 : 143,958.21 = 61,893.50 : x
  2. Step 2: Convert to fraction form
    104,365.04/143,958.21 = 61,893.50/x
  3. Step 3: Cross multiply
    104,365.04x = 143,958.21 × 61,893.50
  4. Step 4: Simplify right side
    104,365.04x = 8,910,077,470.64
  5. Step 5: Solve for x
    x = 8,910,077,470.64/104,365.04
  6. Step 6: Final answer
    x = 85,374.16

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1.5x scale

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.