Home / 104,734.48-144,535.06-56,987.86

Finding the Fourth Proportional to 104,734.48, 144,535.06 and 56,987.86

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Solution

The fourth proportional to 104,734.48, 144,535.06 and 56,987.86 is: 78,644.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,734.48 : 144,535.06 = 56,987.86 : x
  2. Step 2: Convert to fraction form
    104,734.48/144,535.06 = 56,987.86/x
  3. Step 3: Cross multiply
    104,734.48x = 144,535.06 × 56,987.86
  4. Step 4: Simplify right side
    104,734.48x = 8,236,743,764.37
  5. Step 5: Solve for x
    x = 8,236,743,764.37/104,734.48
  6. Step 6: Final answer
    x = 78,644.05

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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.