Home / 104,427.60-144,106.22-56,679.92

Finding the Fourth Proportional to 104,427.60, 144,106.22 and 56,679.92

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Solution

The fourth proportional to 104,427.60, 144,106.22 and 56,679.92 is: 78,216.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,427.60 : 144,106.22 = 56,679.92 : x
  2. Step 2: Convert to fraction form
    104,427.60/144,106.22 = 56,679.92/x
  3. Step 3: Cross multiply
    104,427.60x = 144,106.22 × 56,679.92
  4. Step 4: Simplify right side
    104,427.60x = 8,167,929,523.07
  5. Step 5: Solve for x
    x = 8,167,929,523.07/104,427.60
  6. Step 6: Final answer
    x = 78,216.19

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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.