Home / 104,409.75-144,085.56-56,663.10

Finding the Fourth Proportional to 104,409.75, 144,085.56 and 56,663.10

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Solution

The fourth proportional to 104,409.75, 144,085.56 and 56,663.10 is: 78,195.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,409.75 : 144,085.56 = 56,663.10 : x
  2. Step 2: Convert to fraction form
    104,409.75/144,085.56 = 56,663.10/x
  3. Step 3: Cross multiply
    104,409.75x = 144,085.56 × 56,663.10
  4. Step 4: Simplify right side
    104,409.75x = 8,164,334,494.84
  5. Step 5: Solve for x
    x = 8,164,334,494.84/104,409.75
  6. Step 6: Final answer
    x = 78,195.13

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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.