Home / 104,422.19-144,102.76-56,675.54

Finding the Fourth Proportional to 104,422.19, 144,102.76 and 56,675.54

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Solution

The fourth proportional to 104,422.19, 144,102.76 and 56,675.54 is: 78,212.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,422.19 : 144,102.76 = 56,675.54 : x
  2. Step 2: Convert to fraction form
    104,422.19/144,102.76 = 56,675.54/x
  3. Step 3: Cross multiply
    104,422.19x = 144,102.76 × 56,675.54
  4. Step 4: Simplify right side
    104,422.19x = 8,167,101,146.48
  5. Step 5: Solve for x
    x = 8,167,101,146.48/104,422.19
  6. Step 6: Final answer
    x = 78,212.32

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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.