Home / 104,820.20-144,648.60-57,073.24

Finding the Fourth Proportional to 104,820.20, 144,648.60 and 57,073.24

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Solution

The fourth proportional to 104,820.20, 144,648.60 and 57,073.24 is: 78,759.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,820.20 : 144,648.60 = 57,073.24 : x
  2. Step 2: Convert to fraction form
    104,820.20/144,648.60 = 57,073.24/x
  3. Step 3: Cross multiply
    104,820.20x = 144,648.60 × 57,073.24
  4. Step 4: Simplify right side
    104,820.20x = 8,255,564,263.46
  5. Step 5: Solve for x
    x = 8,255,564,263.46/104,820.20
  6. Step 6: Final answer
    x = 78,759.29

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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.