Home / 104,342.48-143,991.56-56,594.80

Finding the Fourth Proportional to 104,342.48, 143,991.56 and 56,594.80

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Solution

The fourth proportional to 104,342.48, 143,991.56 and 56,594.80 is: 78,100.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,342.48 : 143,991.56 = 56,594.80 : x
  2. Step 2: Convert to fraction form
    104,342.48/143,991.56 = 56,594.80/x
  3. Step 3: Cross multiply
    104,342.48x = 143,991.56 × 56,594.80
  4. Step 4: Simplify right side
    104,342.48x = 8,149,172,536.96
  5. Step 5: Solve for x
    x = 8,149,172,536.96/104,342.48
  6. Step 6: Final answer
    x = 78,100.24

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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.