Home / 104,430.73-144,116.97-56,683.96

Finding the Fourth Proportional to 104,430.73, 144,116.97 and 56,683.96

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Solution

The fourth proportional to 104,430.73, 144,116.97 and 56,683.96 is: 78,225.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,430.73 : 144,116.97 = 56,683.96 : x
  2. Step 2: Convert to fraction form
    104,430.73/144,116.97 = 56,683.96/x
  3. Step 3: Cross multiply
    104,430.73x = 144,116.97 × 56,683.96
  4. Step 4: Simplify right side
    104,430.73x = 8,169,120,562.80
  5. Step 5: Solve for x
    x = 8,169,120,562.80/104,430.73
  6. Step 6: Final answer
    x = 78,225.26

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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.