Home / 104,422.48-144,103.14-56,675.84

Finding the Fourth Proportional to 104,422.48, 144,103.14 and 56,675.84

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Solution

The fourth proportional to 104,422.48, 144,103.14 and 56,675.84 is: 78,212.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,422.48 : 144,103.14 = 56,675.84 : x
  2. Step 2: Convert to fraction form
    104,422.48/144,103.14 = 56,675.84/x
  3. Step 3: Cross multiply
    104,422.48x = 144,103.14 × 56,675.84
  4. Step 4: Simplify right side
    104,422.48x = 8,167,165,785.62
  5. Step 5: Solve for x
    x = 8,167,165,785.62/104,422.48
  6. Step 6: Final answer
    x = 78,212.72

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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.