Home / 104,429.20-144,111.80-56,682.14

Finding the Fourth Proportional to 104,429.20, 144,111.80 and 56,682.14

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Solution

The fourth proportional to 104,429.20, 144,111.80 and 56,682.14 is: 78,221.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,429.20 : 144,111.80 = 56,682.14 : x
  2. Step 2: Convert to fraction form
    104,429.20/144,111.80 = 56,682.14/x
  3. Step 3: Cross multiply
    104,429.20x = 144,111.80 × 56,682.14
  4. Step 4: Simplify right side
    104,429.20x = 8,168,565,223.25
  5. Step 5: Solve for x
    x = 8,168,565,223.25/104,429.20
  6. Step 6: Final answer
    x = 78,221.08

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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.