Home / 104,409.30-144,084.10-56,663.04

Finding the Fourth Proportional to 104,409.30, 144,084.10 and 56,663.04

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Solution

The fourth proportional to 104,409.30, 144,084.10 and 56,663.04 is: 78,194.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,409.30 : 144,084.10 = 56,663.04 : x
  2. Step 2: Convert to fraction form
    104,409.30/144,084.10 = 56,663.04/x
  3. Step 3: Cross multiply
    104,409.30x = 144,084.10 × 56,663.04
  4. Step 4: Simplify right side
    104,409.30x = 8,164,243,121.66
  5. Step 5: Solve for x
    x = 8,164,243,121.66/104,409.30
  6. Step 6: Final answer
    x = 78,194.60

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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.