Home / 104,011.75-143,535.36-56,265.22

Finding the Fourth Proportional to 104,011.75, 143,535.36 and 56,265.22

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Solution

The fourth proportional to 104,011.75, 143,535.36 and 56,265.22 is: 77,645.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,011.75 : 143,535.36 = 56,265.22 : x
  2. Step 2: Convert to fraction form
    104,011.75/143,535.36 = 56,265.22/x
  3. Step 3: Cross multiply
    104,011.75x = 143,535.36 × 56,265.22
  4. Step 4: Simplify right side
    104,011.75x = 8,076,048,608.18
  5. Step 5: Solve for x
    x = 8,076,048,608.18/104,011.75
  6. Step 6: Final answer
    x = 77,645.54

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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.