Home / 104,569.28-144,247.20-64,255.04

Finding the Fourth Proportional to 104,569.28, 144,247.20 and 64,255.04

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Solution

The fourth proportional to 104,569.28, 144,247.20 and 64,255.04 is: 88,636.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,569.28 : 144,247.20 = 64,255.04 : x
  2. Step 2: Convert to fraction form
    104,569.28/144,247.20 = 64,255.04/x
  3. Step 3: Cross multiply
    104,569.28x = 144,247.20 × 64,255.04
  4. Step 4: Simplify right side
    104,569.28x = 9,268,609,605.89
  5. Step 5: Solve for x
    x = 9,268,609,605.89/104,569.28
  6. Step 6: Final answer
    x = 88,636.07

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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.