Home / 104,800.76-144,627.64-57,056.73

Finding the Fourth Proportional to 104,800.76, 144,627.64 and 57,056.73

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Solution

The fourth proportional to 104,800.76, 144,627.64 and 57,056.73 is: 78,739.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,800.76 : 144,627.64 = 57,056.73 : x
  2. Step 2: Convert to fraction form
    104,800.76/144,627.64 = 57,056.73/x
  3. Step 3: Cross multiply
    104,800.76x = 144,627.64 × 57,056.73
  4. Step 4: Simplify right side
    104,800.76x = 8,251,980,008.02
  5. Step 5: Solve for x
    x = 8,251,980,008.02/104,800.76
  6. Step 6: Final answer
    x = 78,739.70

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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.