Home / 104,422.21-144,102.80-56,675.56

Finding the Fourth Proportional to 104,422.21, 144,102.80 and 56,675.56

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Solution

The fourth proportional to 104,422.21, 144,102.80 and 56,675.56 is: 78,212.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,422.21 : 144,102.80 = 56,675.56 : x
  2. Step 2: Convert to fraction form
    104,422.21/144,102.80 = 56,675.56/x
  3. Step 3: Cross multiply
    104,422.21x = 144,102.80 × 56,675.56
  4. Step 4: Simplify right side
    104,422.21x = 8,167,106,887.57
  5. Step 5: Solve for x
    x = 8,167,106,887.57/104,422.21
  6. Step 6: Final answer
    x = 78,212.35

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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.