Home / 104,580.13-144,321.50-56,833.48

Finding the Fourth Proportional to 104,580.13, 144,321.50 and 56,833.48

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Solution

The fourth proportional to 104,580.13, 144,321.50 and 56,833.48 is: 78,430.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,580.13 : 144,321.50 = 56,833.48 : x
  2. Step 2: Convert to fraction form
    104,580.13/144,321.50 = 56,833.48/x
  3. Step 3: Cross multiply
    104,580.13x = 144,321.50 × 56,833.48
  4. Step 4: Simplify right side
    104,580.13x = 8,202,292,078.05
  5. Step 5: Solve for x
    x = 8,202,292,078.05/104,580.13
  6. Step 6: Final answer
    x = 78,430.69

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1.5x scale

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.